IPv6 Report 2020-06 for US Government and Military Domains
DNS Institute performs detailed audits of DNS domain names and nameservers for the US government, S&P Global Top 100 Banks, and Fortune 500 (US) companies. This analyzes for requirements for DNS registries, government mandates, and Internet specifications.
This is a report of IPv6-only DNS support for United States government and military domains. Of 1302 domains that worked with DNS (any combination of IPv4, IPv6, UDP, and TCP), 651 (50%) domains had at least one problem with their IPv6 delegation or resolution and up to 247 (19%) domains did not work at all for IPv6-only DNS. Akamai had 42 nameservers in this study with failures for 227 US government domain names. The General Services Administration had 72 domains with failures (from three nameservers). Six US Department of Defense Non-classified Internet Protocol Router Network nameservers didn't have AAAA addresses resulting in complete IPv6 failures for 71 .mil domains in this study. The National Institutes of Health had at least 18 domains with failures.
In August 2005, the United States government White House Office of Management and Budget (OMB) published a memorandum that all federal agencies networks must interface with IPv6 by June 2008. As of recently, that transition is still incomplete. A series of guidance documents highlighted that applications should be able to operate in IPv6-only modes with no less functionality available if were doing IPv4. Specifically for DNS, the client and servers are to be fully functional and required to support IPv6 address records and DNS queries over native IPv6.
RFC 3901 DNS IPv6 Transport Operational Guidelines recommends that all DNS zones should be served by at least one IPv4-reachable authoritative name server and there should be at least one IPv4 address for delegations. While it says "[t]his rules out DNS zones served only by IPv6-only authoritative name servers", later RFCs (like RFC 8305) state that queries should be sent over IPv6 first.
Even though the NIST guidelines recommend not getting cut off from DNS by disallowing IPv4-only, this study highlights the domains that don't have AAAA records for the delegated NS nameservers and those that don't have IPv6 nameservers answering for their domains. This study doesn't check for address records for the domains themselves, but focuses on the nameserver delegations leading to the domain and its SOA record. Below, this first lists several popular domains with IPv6 problems, the many domains with complete IPv6 failures, and then shows the lameness problems for all the domains that had at least one IPv6-related failure: nameservers names with failing AAAA lookups, nameservers returning SERVFAIL or REFUSED, and IPv6 nameservers which could not be reached.
Popular Domains with Partial or Complete IPv6 Failures
Sixty-five domains that partially failed for IPv6 are in the top 10,000 of the Tranco top sites ranking list (2020-06-15). Thirteen domains completely failed for IPv6 in the top 10,000 are marked with an asterisk (*).
- #64 nih.gov
- #128 cdc.gov *
- #410 state.gov
- #433 whitehouse.gov
- #715 ftc.gov
- #819 census.gov
- #846 senate.gov
- #904 bls.gov *
- #933 sec.gov
- #1025 privacyshield.gov
- #1149 usa.gov
- #1181 weather.gov
- #1212 dhs.gov
- #1238 army.mil *
- #1278 navy.mil *
- #1312 cia.gov
- #1317 usembassy.gov
- #1357 fcc.gov
- #1385 dol.gov
- #1394 sba.gov *
- #1512 cancer.gov
- #1555 gpo.gov *
- #1672 fema.gov
- #1768 osha.gov
- #1772 uscis.gov
- #1826 af.mil *
- #1947 uscourts.gov
- #2264 federalreserve.gov
- #2419 defense.gov
- #2429 eia.gov
- #2451 studentaid.gov
- #2574 hud.gov
- #2832 cms.gov
- #2919 federalregister.gov *
- #3171 cbp.gov
- #3434 cpsc.gov
- #3581 drugabuse.gov
- #3599 supremecourt.gov
- #3652 healthcare.gov
- #3678 usaid.gov *
- #3855 medicare.gov
- #4038 export.gov
- #4162 ready.gov
- #4266 tsa.gov
- #4396 gsa.gov
- #4646 ornl.gov
- #4651 us-cert.gov
- #4769 doc.gov
- #5533 usajobs.gov
- #5727 fdic.gov
- #6220 hrsa.gov
- #6699 llnl.gov
- #6838 ice.gov
- #6849 nsa.gov
- #7083 dtic.mil *
- #7110 darpa.mil *
- #7525 opm.gov
- #7627 uscg.mil *
- #7715 osd.mil *
- #8030 commerce.gov
- #8895 recreation.gov
- #9048 dea.gov
- #9361 sam.gov
- #9625 genome.gov
- #9658 huduser.gov
Domains with Complete IPv6 Failure
At the time of this testing, these domains parent delegations (leading to the domains SOA records) worked using IPv4 and/or "A" address records, but didn't work with AAAA and/or IPv6.
- access-board.gov
- adf.gov
- aff.gov
- afhsc.mil
- af.mil
- africom.mil
- aftac.gov
- altusandc.gov
- americorps.gov
- arlingtoncemetery.mil
- armymedicine.mil
- army.mil
- bam.gov
- bls.gov
- bosque.gov
- business.gov
- cac.mil
- capmed.mil
- cavc.gov
- cdc.gov
- cdcpartners.gov
- centcom.mil
- cftc.gov
- changeofaddress.gov
- childreninadversity.gov
- chinacommission.gov
- cncs.gov
- cncsoig.gov
- cns.gov
- cnss.gov
- compliance.gov
- congressionaldirectory.gov
- congressionalrecord.gov
- cpars.gov
- csb.gov
- csosa.fed.us
- ctoc.gov
- cttso.gov
- cyber.mil
- cybercom.mil
- darpa.mil
- dau.mil
- dc3on.gov
- dcaa.mil
- dcma.mil
- dcoe.mil
- defenseimagery.mil
- defenselink.mil
- defense.mil
- denali.gov
- dfafacts.gov
- dfas.mil
- dia.mil
- disa.mil
- disasterhousing.gov
- dla.mil
- dma.mil
- dnfsb.gov
- dod.gov
- dodig.mil
- dodiis.mil
- dodlive.mil
- dod.mil
- dra.gov
- dsca.mil
- dss.mil
- dtic.mil
- dtra.mil
- eb.mil
- ecfc.gov
- ehr.gov
- emergency-federal-register.gov
- erpo.gov
- esgr.mil
- exim.gov
- exploretsp.gov
- fapiis.gov
- fdsys.gov
- fea.gov
- federalregister.gov
- fedreg.gov
- feedthefuture.gov
- ferc.gov
- fha.gov
- fhfa.gov
- flu.gov
- fmcs.gov
- forestsandrangelands.gov
- frtib.gov
- frtibtest.gov
- fruitsandveggiesmatter.gov
- fs.fed.us
- gaonet.gov
- ginniemae.gov
- gpo.gov
- harp.gov
- healthindicators.gov
- health.mil
- homesales.gov
- housecalendar.gov
- hudoig.gov
- iad.gov
- iarpa-ideas.gov
- icbemp.gov
- ich.gov
- imls.gov
- integrity.gov
- intelink.gov
- ioss.gov
- itc.gov
- itis.gov
- jamesmadison.gov
- jccs.gov
- jcs.mil
- joinamericorps.gov
- jpo.gov
- jsf.mil
- jten.mil
- jtfgno.mil
- lps.gov
- mail.gov
- mail.mil
- marines.mil
- mda.mil
- medpac.gov
- mentor.gov
- militaryaviationsafety.gov
- militaryonesource.mil
- mlkday.gov
- mojavedata.gov
- mortgagetranslations.gov
- move.mil
- mtbs.gov
- mtmc.gov
- myusps.gov
- nafri.gov
- nationalguard.mil
- nationalhousing.gov
- nationalhousinglocator.gov
- nationalresourcedirectory.gov
- nationalservice.gov
- navy.mil
- ncd.gov
- ncix.gov
- neglecteddiseases.gov
- nga.mil
- ng.mil
- nhl.gov
- nigc.gov
- nipr.mil
- niosh.gov
- nlrb.gov
- nls.gov
- norad.mil
- northcom.mil
- nrd.gov
- nro.gov
- nro.mil
- nrpo.gov
- ntsb.gov
- nwbc.gov
- nwcg.gov
- nwtrb.gov
- ocwr.gov
- oea.gov
- ofr.gov
- osd.mil
- owc.gov
- pacom.mil
- patriotbonds.gov
- pdbcecc.gov
- pdhealth.mil
- peacecorps.gov
- peacecorpsoig.gov
- pentagonchannel.mil
- pentagon.gov
- pentagon.mil
- pitc.gov
- pmi.gov
- postoffice.gov
- ppdcecc.gov
- ppirs.gov
- pppo.gov
- prc.gov
- presidentialdocuments.gov
- presidentialserviceawards.gov
- pretrialservices.gov
- psa.gov
- psd.gov
- psup.gov
- pubservices.gov
- purchasing.gov
- reo.gov
- rpo.gov
- safehelpline.mil
- safetyvideos.gov
- sba.gov
- sbir.gov
- selectagents.gov
- senatecalendar.gov
- seniorcorps.gov
- serve.gov
- smartcheck.gov
- soc.mil
- socom.mil
- southcom.mil
- stratcom.mil
- symbols.gov
- transcom.mil
- tricare.mil
- tsp.gov
- tsptest.gov
- tswg.gov
- tva.gov
- tvaoig.gov
- ugov.gov
- unnpp.gov
- usadf.gov
- usaid.gov
- usandc.gov
- usbm.gov
- uscapitolpolice.gov
- uscavc.gov
- uscc.gov
- uscg.gov
- uscg.mil
- uscirf.gov
- uscode.gov
- uscp.gov
- usfk.mil
- usgovernmentmanual.gov
- usip.gov
- usmc.mil
- uspis.gov
- usps.gov
- uspsinformeddelivery.gov
- uspsinnovates.gov
- uspsoig.gov
- usuhs.mil
- vaccines.mil
- vistacampus.gov
- volunteeringinamerica.gov
- webharvest.gov
- web.mail.mil
- whistleblower.gov
- whs.mil
- worldwar1centennial.gov
Nameservers Names with Failing AAAA Lookups
These are 272 nameservers names used in delegations (for the following also-listed domain names) that didn't have IPv6 address answers.
a10-65.akam.net. — query failed for AAAA
- 2020census.gov
- amtrakoig.gov
- census.gov
- fbiic.gov
- federalreserve.gov
- ffiec.gov
- frb.fed.us
- frb.gov
- my2020census.gov
- newmoney.gov
- uscurrency.gov
a10-66.akam.net. — query failed for AAAA
- campusdrugprevention.gov
- dea.gov
- economicinclusion.gov
- epic.gov
- fdicconnect.gov
- fdic.gov
- fdicig.gov
- fdicoig.gov
- fdicseguro.gov
- getsmartaboutdrugs.gov
- justthinktwice.gov
- myfdic.gov
- ofia.gov
- unionreports.gov
- youthrules.gov
a10-67.akam.net. — query failed for AAAA
- cms.gov
- cuidadodesalud.gov
- fvap.gov
- hc.gov
- healthcare.gov
- insurekidsnow.gov
- medicaid.gov
- medicare.gov
- mymedicare.gov
a11svidzns001.nro.mil. — query failed for AAAA
- nro.gov
a12-64.akam.net. — query failed for AAAA
- ai.gov
- bebest.gov
- budget.gov
- budgetlob.gov
- coronavirus.gov
- crisisnextdoor.gov
- earmarks.gov
- eop.gov
- greatagain.gov
- itdashboard.gov
- max.gov
- omb.gov
- ondcp.gov
- ostp.gov
- paymentaccuracy.gov
- pci.gov
- ustda.gov
- wgdp.gov
- wh.gov
- whitehousedrugpolicy.gov
- whitehouse.gov
a12-65.akam.net. — query failed for AAAA
- cia.gov
- dni.gov
- federaljobs.gov
- fedjobs.gov
- governmentjobs.gov
- iarpa.gov
- ic.gov
- icjointduty.gov
- intel.gov
- intelligence.gov
- ise.gov
- istac.gov
- nbib.gov
- ncsc.gov
- nctc.gov
- odci.gov
- odni.gov
- ptf.gov
- qart.gov
- studentaid.gov
- ttic.gov
- ucia.gov
- usagm.gov
- usajobs.gov
a12-66.akam.net. — query failed for AAAA
- buyusa.gov
- export.gov
- privacyshield.gov
- selectusa.gov
- stopfakes.gov
- trade.gov
a12-67.akam.net. — query failed for AAAA
- campusdrugprevention.gov
- dea.gov
- epic.gov
- getsmartaboutdrugs.gov
- intelligencecareers.gov
- justthinktwice.gov
- nsa.gov
a14-64.akam.net. — query failed for AAAA
- america.gov
- applicationmanager.gov
- chcoc.gov
- cwc.gov
- cybercareers.gov
- devtestfan1.gov
- employeeexpress.gov
- e-qip.gov
- fan.gov
- feb.gov
- fedshirevets.gov
- fegli.gov
- foreignassistance.gov
- fsafeds.gov
- fsgb.gov
- golearn.gov
- iawg.gov
- ibwc.gov
- opm.gov
- osac.gov
- pac.gov
- pepfar.gov
- pmf.gov
- preprodfan.gov
- securitytestfan.gov
- state.gov
- supportfan.gov
- telework.gov
- unlocktalent.gov
- usalearning.gov
- usaseanconnect.gov
- usastaffing.gov
- usconsulate.gov
- usdoscloud.gov
- usembassy.gov
- usmission.gov
a14-66.akam.net. — query failed for AAAA
- dfc.gov
- idfc.gov
- opic.gov
- stateoig.gov
- usdfc.gov
- usidfc.gov
a18-64.akam.net. — query failed for AAAA
- economicinclusion.gov
- fdicconnect.gov
- fdic.gov
- fdicig.gov
- fdicoig.gov
- fdicseguro.gov
- federaljobs.gov
- fedjobs.gov
- governmentjobs.gov
- myfdic.gov
- nbib.gov
- ofia.gov
- usajobs.gov
a18-65.akam.net. — query failed for AAAA
- applicationmanager.gov
- chcoc.gov
- cybercareers.gov
- employeeexpress.gov
- e-qip.gov
- feb.gov
- fedshirevets.gov
- fegli.gov
- fsafeds.gov
- fvap.gov
- golearn.gov
- investor.gov
- opm.gov
- pac.gov
- pmf.gov
- recreation.gov
- sec.gov
- telework.gov
- unlocktalent.gov
- usalearning.gov
- usastaffing.gov
a18-67.akam.net. — query failed for AAAA
- aviationweather.gov
- mcc.gov
- mcctest.gov
- stateoig.gov
- tsunami.gov
- weather.gov
a22-65.akam.net. — query failed for AAAA
- broadband.gov
- dtv.gov
- fcc.gov
- lifeline.gov
- openinternet.gov
a22-66.akam.net. — query failed for AAAA
- ai.gov
- bebest.gov
- biometrics.gov
- budget.gov
- budgetlob.gov
- cbp.gov
- cia.gov
- cisa.gov
- coronavirus.gov
- cpnireporting.gov
- crisisnextdoor.gov
- cyber.gov
- cybersecurity.gov
- dhs.gov
- disasterassistance.gov
- dni.gov
- earmarks.gov
- eop.gov
- e-verify.gov
- everify.gov
- evus.gov
- federaljobs.gov
- fedjobs.gov
- fema.gov
- firstresponder.gov
- firstrespondertraining.gov
- fleta.gov
- fletc.gov
- flightschoolcandidates.gov
- floodsmart.gov
- globalentry.gov
- governmentjobs.gov
- greatagain.gov
- homelandsecurity.gov
- iarpa.gov
- ice.gov
- ic.gov
- icjointduty.gov
- intel.gov
- intelligence.gov
- ise.gov
- istac.gov
- itdashboard.gov
- listo.gov
- max.gov
- nbib.gov
- ncsc.gov
- nctc.gov
- niem.gov
- odci.gov
- odni.gov
- omb.gov
- ondcp.gov
- ostp.gov
- paymentaccuracy.gov
- pci.gov
- ptf.gov
- qart.gov
- readybusiness.gov
- ready.gov
- safetyact.gov
- schoolsafety.gov
- secretservice.gov
- tsa.gov
- ttic.gov
- ucia.gov
- usajobs.gov
- uscis.gov
- usss.gov
- ustda.gov
- wgdp.gov
- wh.gov
- whitehousedrugpolicy.gov
- whitehouse.gov
a22-67.akam.net. — query failed for AAAA
- recreation.gov
a24-66.akam.net. — query failed for AAAA
- broadband.gov
- dtv.gov
- fcc.gov
- lifeline.gov
- openinternet.gov
a24-67.akam.net. — query failed for AAAA
- alertaenlinea.gov
- bankruptcy.gov
- consumer.gov
- consumidor.gov
- dontserveteens.gov
- federalcourts.gov
- federalprobation.gov
- federalrules.gov
- fjc.gov
- ftcefile.gov
- ftc.gov
- hsr.gov
- judicialconference.gov
- militaryconsumer.gov
- nmcourt.fed.us
- onguardonline.gov
- pacer.gov
- protecciondelconsumidor.gov
- unionreports.gov
- usbankruptcy.gov
- usc.gov
- uscourts.gov
- usprobation.gov
- ussc.gov
- youthrules.gov
a2-64.akam.net. — query failed for AAAA
- intelligencecareers.gov
- mcc.gov
- mcctest.gov
- nsa.gov
- usagm.gov
a26-64.akam.net. — query failed for AAAA
- alertaenlinea.gov
- aviationweather.gov
- consumer.gov
- consumidor.gov
- dontserveteens.gov
- ftcefile.gov
- ftc.gov
- hsr.gov
- militaryconsumer.gov
- onguardonline.gov
- protecciondelconsumidor.gov
- stateoig.gov
- tsunami.gov
- weather.gov
a26-65.akam.net. — query failed for AAAA
- america.gov
- cwc.gov
- devtestfan1.gov
- fan.gov
- foreignassistance.gov
- fsgb.gov
- iawg.gov
- ibwc.gov
- osac.gov
- pepfar.gov
- preprodfan.gov
- securitytestfan.gov
- state.gov
- supportfan.gov
- usaseanconnect.gov
- usconsulate.gov
- usdoscloud.gov
- usembassy.gov
- usmission.gov
a26-66.akam.net. — query failed for AAAA
- humanities.gov
- neh.gov
a26-67.akam.net. — query failed for AAAA
- amtrakoig.gov
- dfc.gov
- idfc.gov
- opic.gov
- usdfc.gov
- usidfc.gov
a2-66.akam.net. — query failed for AAAA
- amtrakoig.gov
- bankruptcy.gov
- federalcourts.gov
- federalprobation.gov
- federalrules.gov
- fjc.gov
- judicialconference.gov
- nmcourt.fed.us
- pacer.gov
- usbankruptcy.gov
- usc.gov
- uscourts.gov
- usprobation.gov
- ussc.gov
a28-64.akam.net. — query failed for AAAA
- 2020census.gov
- census.gov
- fbiic.gov
- federalreserve.gov
- ffiec.gov
- frb.fed.us
- frb.gov
- my2020census.gov
- newmoney.gov
- uscurrency.gov
a28-65.akam.net. — query failed for AAAA
- economicinclusion.gov
- fdicconnect.gov
- fdic.gov
- fdicig.gov
- fdicoig.gov
- fdicseguro.gov
- myfdic.gov
- ofia.gov
a28-66.akam.net. — query failed for AAAA
- anchorit.gov
- atvsafety.gov
- cpsc.gov
- drywallresponse.gov
- poolsafely.gov
- poolsafety.gov
- recalls.gov
- saferproduct.gov
- saferproducts.gov
- seguridadconsumidor.gov
a4-64.akam.net. — query failed for AAAA
- anchorit.gov
- atvsafety.gov
- buyusa.gov
- cpsc.gov
- dfc.gov
- drywallresponse.gov
- export.gov
- idfc.gov
- opic.gov
- poolsafely.gov
- poolsafety.gov
- privacyshield.gov
- recalls.gov
- saferproduct.gov
- saferproducts.gov
- seguridadconsumidor.gov
- selectusa.gov
- stopfakes.gov
- trade.gov
- usdfc.gov
- usidfc.gov
a7.uberns.com. — query failed for AAAA
- acwi.gov
- earthquake.gov
- evergladesrestoration.gov
- goldwaterscholarship.gov
- lmvsci.gov
- macpac.gov
- nationalmap.gov
- ssab.gov
- usccr.gov
- watermonitor.gov
a7.uberns.info. — query failed for AAAA
- acwi.gov
- earthquake.gov
- evergladesrestoration.gov
- goldwaterscholarship.gov
- lmvsci.gov
- macpac.gov
- nationalmap.gov
- watermonitor.gov
a7.uberns.net. — query failed for AAAA
- acwi.gov
- earthquake.gov
- evergladesrestoration.gov
- goldwaterscholarship.gov
- lmvsci.gov
- macpac.gov
- nationalmap.gov
- ssab.gov
- watermonitor.gov
a7.uberns.org. — query failed for AAAA
- acwi.gov
- earthquake.gov
- evergladesrestoration.gov
- goldwaterscholarship.gov
- lmvsci.gov
- macpac.gov
- nationalmap.gov
- watermonitor.gov
altdsos.altusandc.gov. — query failed for AAAA
- usandc.gov
altdstork.altusandc.gov. — query failed for AAAA
- usandc.gov
asia2.akam.net. — query failed for AAAA
- defense.gov
asia3.akam.net. — query failed for AAAA
- defense.gov
auth00.ns.uu.net. — query failed for AAAA
- cdc.gov
- cncsoig.gov
- imls.gov
auth100.ns.uu.net. — query failed for AAAA
- cdc.gov
- dnfsb.gov
- imls.gov
auth110.ns.uu.net. — query failed for AAAA
- dnfsb.gov
auth111.ns.uu.net. — query failed for AAAA
- adf.gov
- aoc.gov
- bls.gov
- capital.gov
- capitol.gov
- csb.gov
- exim.gov
- iarpa-ideas.gov
- nigc.gov
- prc.gov
- smartcheck.gov
- unnpp.gov
- usadf.gov
- usbg.gov
- uscapital.gov
- uscapitol.gov
- uscavc.gov
- visitthecapital.gov
- visitthecapitol.gov
- whistleblower.gov
auth120.ns.uu.net. — query failed for AAAA
- adf.gov
- aoc.gov
- bls.gov
- capital.gov
- capitol.gov
- csb.gov
- exim.gov
- iarpa-ideas.gov
- nigc.gov
- prc.gov
- smartcheck.gov
- unnpp.gov
- usadf.gov
- usbg.gov
- uscapital.gov
- uscapitol.gov
- uscavc.gov
- visitthecapital.gov
- visitthecapitol.gov
- whistleblower.gov
auth20.ns.wcom.com. — query failed for AAAA
- safetyvideos.gov
auth40.ns.uu.net. — query failed for AAAA
- cftc.gov
- cncsoig.gov
- itc.gov
- safetyvideos.gov
auth62.ns.uu.net. — query failed for AAAA
- cftc.gov
- itc.gov
beast.dma.mil. — query failed for AAAA
- dod.gov
- pentagon.gov
beauty.dma.mil. — query failed for AAAA
- dod.gov
- pentagon.gov
bloodaxe.iad.gov. — query failed for AAAA
- cnss.gov
- iad.gov
- ioss.gov
bloodgem.iad.gov. — query failed for AAAA
- cnss.gov
- iad.gov
- ioss.gov
brahmaputra.sba.gov. — query failed for AAAA
- business.gov
- nwbc.gov
- sba.gov
- sbir.gov
cgns1.uscg.gov. — query failed for AAAA
- uscg.gov
cgns4.uscg.gov. — query failed for AAAA
- uscg.gov
cgns5.uscg.gov. — query failed for AAAA
- uscg.gov
con1.nipr.mil. — query failed for AAAA
- afhsc.mil
- af.mil
- africom.mil
- arlingtoncemetery.mil
- armymedicine.mil
- army.mil
- cac.mil
- capmed.mil
- centcom.mil
- cyber.mil
- cybercom.mil
- darpa.mil
- dau.mil
- dcaa.mil
- dcma.mil
- dcoe.mil
- defenseimagery.mil
- defenselink.mil
- defense.mil
- dfas.mil
- dia.mil
- disa.mil
- dla.mil
- dma.mil
- dodig.mil
- dodiis.mil
- dodlive.mil
- dod.mil
- dsca.mil
- dss.mil
- dtic.mil
- dtra.mil
- eb.mil
- esgr.mil
- health.mil
- jcs.mil
- jsf.mil
- jten.mil
- jtfgno.mil
- mail.mil
- marines.mil
- mda.mil
- militaryonesource.mil
- move.mil
- nationalguard.mil
- navy.mil
- nga.mil
- ng.mil
- nipr.mil
- norad.mil
- northcom.mil
- nro.mil
- osd.mil
- pacom.mil
- pdhealth.mil
- pentagonchannel.mil
- pentagon.mil
- safehelpline.mil
- soc.mil
- socom.mil
- southcom.mil
- stratcom.mil
- transcom.mil
- tricare.mil
- uscg.mil
- usfk.mil
- usmc.mil
- usuhs.mil
- vaccines.mil
- web.mail.mil
- whs.mil
con2.nipr.mil. — query failed for AAAA
- afhsc.mil
- af.mil
- africom.mil
- arlingtoncemetery.mil
- armymedicine.mil
- army.mil
- cac.mil
- capmed.mil
- centcom.mil
- cyber.mil
- cybercom.mil
- darpa.mil
- dau.mil
- dcaa.mil
- dcma.mil
- dcoe.mil
- defenseimagery.mil
- defenselink.mil
- defense.mil
- dfas.mil
- dia.mil
- disa.mil
- dla.mil
- dma.mil
- dodig.mil
- dodiis.mil
- dodlive.mil
- dod.mil
- dsca.mil
- dss.mil
- dtic.mil
- dtra.mil
- eb.mil
- esgr.mil
- health.mil
- jcs.mil
- jsf.mil
- jten.mil
- jtfgno.mil
- mail.mil
- marines.mil
- mda.mil
- militaryonesource.mil
- move.mil
- nationalguard.mil
- navy.mil
- nga.mil
- ng.mil
- nipr.mil
- norad.mil
- northcom.mil
- nro.mil
- osd.mil
- pacom.mil
- pdhealth.mil
- pentagonchannel.mil
- pentagon.mil
- safehelpline.mil
- soc.mil
- socom.mil
- southcom.mil
- stratcom.mil
- transcom.mil
- tricare.mil
- uscg.mil
- usfk.mil
- usmc.mil
- usuhs.mil
- vaccines.mil
- web.mail.mil
- whs.mil
ctc-dns2.usa-ctc.com. — query failed for AAAA
- fmcs.gov
- uscc.gov
ctc-dns.usa-ctc.com. — query failed for AAAA
- fmcs.gov
- uscc.gov
dca-ans-01.inet.qwest.net. — query failed for AAAA
- gaonet.gov
dmz01ns01.dns.dmz.pitc.gov. — query failed for AAAA
- pitc.gov
dmz01ns02.dns.dmz.pitc.gov. — query failed for AAAA
- pitc.gov
dmz02ns01.dns.dmz.pitc.gov. — query failed for AAAA
- pitc.gov
dmz02ns02.dns.dmz.pitc.gov. — query failed for AAAA
- pitc.gov
dnieper.sba.gov. — query failed for AAAA
- business.gov
- nwbc.gov
- sba.gov
- sbir.gov
dns01.cns.gov. — query failed for AAAA
- americorps.gov
- cncs.gov
- cns.gov
- joinamericorps.gov
- mentor.gov
- mlkday.gov
- nationalservice.gov
- presidentialserviceawards.gov
- seniorcorps.gov
- serve.gov
- vistacampus.gov
- volunteeringinamerica.gov
dns02.cns.gov. — query failed for AAAA
- americorps.gov
- cncs.gov
- cns.gov
- joinamericorps.gov
- mentor.gov
- mlkday.gov
- nationalservice.gov
- presidentialserviceawards.gov
- seniorcorps.gov
- serve.gov
- vistacampus.gov
- volunteeringinamerica.gov
dns03.uscp.gov. — query failed for AAAA
- uscapitolpolice.gov
- uscp.gov
dns04.uscp.gov. — query failed for AAAA
- uscapitolpolice.gov
- uscp.gov
dns082.usps.com. — query failed for AAAA
- changeofaddress.gov
- mail.gov
- postoffice.gov
- purchasing.gov
- uspis.gov
- usps.gov
dns141.usps.com. — query failed for AAAA
- changeofaddress.gov
- mail.gov
- postoffice.gov
- purchasing.gov
- uspis.gov
- usps.gov
dns1.myowncloud.net. — query failed for AAAA
- ich.gov
dns2.gsa.gov. — query failed for AAAA
- accessibility.gov
- acquisition.gov
- acus.gov
- afadvantage.gov
- businessusa.gov
- buyaccessible.gov
- buyamerican.gov
- cbca.gov
- cfa.gov
- cfda.gov
- challenge.gov
- citizenscience.gov
- computersforlearning.gov
- consumeraction.gov
- contractdirectory.gov
- data.gov
- digitaldashboard.gov
- eac.gov
- ecpic.gov
- eisenhowermemorial.gov
- esrs.gov
- facadatabase.gov
- faca.gov
- fai.gov
- fbf.gov
- fbo.gov
- fedbizopps.gov
- fedidcard.gov
- fedinfo.gov
- fedramp.gov
- fedrooms.gov
- firstgov.gov
- fmi.gov
- forms.gov
- fpc.gov
- fpds.gov
- fpisc.gov
- frpg.gov
- fsd.gov
- fsrs.gov
- gobiernousa.gov
- govsales.gov
- gsaadvantage.gov
- gsaauctions.gov
- gsa.gov
- gsaig.gov
- gsaxcess.gov
- idmanagement.gov
- info.gov
- kids.gov
- nbrc.gov
- pbrb.gov
- pclob.gov
- performance.gov
- pic.gov
- promesa.gov
- ptt.gov
- realestatesales.gov
- realpropertyprofile.gov
- reginfo.gov
- reporting.gov
- rocis.gov
- sam.gov
- section508.gov
- sftool.gov
- usa.gov
- usagov.gov
- us.gov
- ussm.gov
- votebymail.gov
- wdol.gov
- whdpc.gov
dns2.myowncloud.net. — query failed for AAAA
- ich.gov
dns3.easydns.ca. — query failed for AAAA
- frtr.gov
- jusfc.gov
- mmc.gov
dns3.gsa.gov. — query failed for AAAA
- accessibility.gov
- acquisition.gov
- acus.gov
- afadvantage.gov
- businessusa.gov
- buyaccessible.gov
- buyamerican.gov
- cbca.gov
- cfa.gov
- cfda.gov
- challenge.gov
- citizenscience.gov
- computersforlearning.gov
- consumeraction.gov
- contractdirectory.gov
- data.gov
- digitaldashboard.gov
- eac.gov
- ecpic.gov
- eisenhowermemorial.gov
- esrs.gov
- facadatabase.gov
- faca.gov
- fai.gov
- fbf.gov
- fbo.gov
- fedbizopps.gov
- fedidcard.gov
- fedinfo.gov
- fedramp.gov
- fedrooms.gov
- firstgov.gov
- fmi.gov
- forms.gov
- fpc.gov
- fpds.gov
- fpisc.gov
- frpg.gov
- fsd.gov
- fsrs.gov
- gobiernousa.gov
- govsales.gov
- gsaadvantage.gov
- gsaauctions.gov
- gsa.gov
- gsaig.gov
- gsaxcess.gov
- idmanagement.gov
- info.gov
- kids.gov
- nbrc.gov
- pclob.gov
- performance.gov
- pic.gov
- promesa.gov
- ptt.gov
- realestatesales.gov
- realpropertyprofile.gov
- reginfo.gov
- reporting.gov
- rocis.gov
- sam.gov
- section508.gov
- sftool.gov
- usa.gov
- usagov.gov
- us.gov
- ussm.gov
- votebymail.gov
- wdol.gov
- whdpc.gov
dns5.gsa.gov. — query failed for AAAA
- accessibility.gov
- acquisition.gov
- acus.gov
- afadvantage.gov
- businessusa.gov
- buyaccessible.gov
- buyamerican.gov
- cbca.gov
- cfa.gov
- cfda.gov
- challenge.gov
- citizenscience.gov
- computersforlearning.gov
- consumeraction.gov
- contractdirectory.gov
- data.gov
- digitaldashboard.gov
- eac.gov
- ecpic.gov
- eisenhowermemorial.gov
- esrs.gov
- facadatabase.gov
- faca.gov
- fai.gov
- fbf.gov
- fbo.gov
- fedbizopps.gov
- fedidcard.gov
- fedinfo.gov
- fedramp.gov
- fedrooms.gov
- firstgov.gov
- fmi.gov
- forms.gov
- fpc.gov
- fpds.gov
- fpisc.gov
- frpg.gov
- fsd.gov
- fsrs.gov
- gobiernousa.gov
- govsales.gov
- gsaadvantage.gov
- gsaauctions.gov
- gsa.gov
- gsaig.gov
- gsaxcess.gov
- idmanagement.gov
- info.gov
- kids.gov
- nbrc.gov
- pclob.gov
- performance.gov
- pic.gov
- promesa.gov
- ptt.gov
- realestatesales.gov
- realpropertyprofile.gov
- reginfo.gov
- reporting.gov
- rocis.gov
- sam.gov
- section508.gov
- sftool.gov
- usa.gov
- usagov.gov
- us.gov
- ussm.gov
- votebymail.gov
- wdol.gov
- whdpc.gov
dns-pub-f1-u.pentagon.mil. — query failed for AAAA
- oea.gov
dns-pub-f2-u.pentagon.mil. — query failed for AAAA
- oea.gov
dns-pub-f3-u.pentagon.mil. — query failed for AAAA
- oea.gov
dsos.aftac.gov. — query failed for AAAA
- aftac.gov
- usandc.gov
dstork.aftac.gov. — query failed for AAAA
- aftac.gov
- usandc.gov
eur1.nipr.mil. — query failed for AAAA
- afhsc.mil
- af.mil
- africom.mil
- arlingtoncemetery.mil
- armymedicine.mil
- army.mil
- cac.mil
- capmed.mil
- centcom.mil
- cyber.mil
- cybercom.mil
- darpa.mil
- dau.mil
- dcaa.mil
- dcma.mil
- dcoe.mil
- defenseimagery.mil
- defenselink.mil
- defense.mil
- dfas.mil
- dia.mil
- disa.mil
- dla.mil
- dma.mil
- dodig.mil
- dodiis.mil
- dodlive.mil
- dod.mil
- dsca.mil
- dss.mil
- dtic.mil
- dtra.mil
- eb.mil
- esgr.mil
- health.mil
- jcs.mil
- jsf.mil
- jten.mil
- jtfgno.mil
- mail.mil
- marines.mil
- mda.mil
- militaryonesource.mil
- move.mil
- nationalguard.mil
- navy.mil
- nga.mil
- ng.mil
- nipr.mil
- norad.mil
- northcom.mil
- nro.mil
- osd.mil
- pacom.mil
- pdhealth.mil
- pentagonchannel.mil
- pentagon.mil
- safehelpline.mil
- soc.mil
- socom.mil
- southcom.mil
- stratcom.mil
- transcom.mil
- tricare.mil
- uscg.mil
- usfk.mil
- usmc.mil
- usuhs.mil
- vaccines.mil
- web.mail.mil
- whs.mil
eur2.akam.net. — query failed for AAAA
- scinet.gov
- scinet-test.gov
- sc-us.gov
- scus.gov
- supreme-court.gov
- supremecourt.gov
- supremecourtus.gov
eur2.nipr.mil. — query failed for AAAA
- afhsc.mil
- af.mil
- africom.mil
- arlingtoncemetery.mil
- armymedicine.mil
- army.mil
- cac.mil
- capmed.mil
- centcom.mil
- cyber.mil
- cybercom.mil
- darpa.mil
- dau.mil
- dcaa.mil
- dcma.mil
- dcoe.mil
- defenseimagery.mil
- defenselink.mil
- defense.mil
- dfas.mil
- dia.mil
- disa.mil
- dla.mil
- dma.mil
- dodig.mil
- dodiis.mil
- dodlive.mil
- dod.mil
- dsca.mil
- dss.mil
- dtic.mil
- dtra.mil
- eb.mil
- esgr.mil
- health.mil
- jcs.mil
- jsf.mil
- jten.mil
- jtfgno.mil
- mail.mil
- marines.mil
- mda.mil
- militaryonesource.mil
- move.mil
- nationalguard.mil
- navy.mil
- nga.mil
- ng.mil
- nipr.mil
- norad.mil
- northcom.mil
- nro.mil
- osd.mil
- pacom.mil
- pdhealth.mil
- pentagonchannel.mil
- pentagon.mil
- safehelpline.mil
- soc.mil
- socom.mil
- southcom.mil
- stratcom.mil
- transcom.mil
- tricare.mil
- uscg.mil
- usfk.mil
- usmc.mil
- usuhs.mil
- vaccines.mil
- web.mail.mil
- whs.mil
eur4.akam.net. — query failed for AAAA
- scinet.gov
- scinet-test.gov
- sc-us.gov
- scus.gov
- supreme-court.gov
- supremecourt.gov
- supremecourtus.gov
eur5.akam.net. — query failed for AAAA
- scinet.gov
- scinet-test.gov
- sc-us.gov
- scus.gov
- supreme-court.gov
- supremecourt.gov
- supremecourtus.gov
eur6.akam.net. — query failed for AAAA
- bbg.gov
- defense.gov
- ibb.gov
- voa.gov
fsdns1.fs.fed.us. — query failed for AAAA
- aff.gov
- bosque.gov
- forestsandrangelands.gov
- fs.fed.us
- icbemp.gov
- mtbs.gov
- nafri.gov
- reo.gov
- symbols.gov
fsdns3.fs.fed.us. — query failed for AAAA
- aff.gov
- bosque.gov
- forestsandrangelands.gov
- fs.fed.us
- icbemp.gov
- mtbs.gov
- nafri.gov
- reo.gov
- symbols.gov
fsdns4.fs.fed.us. — query failed for AAAA
- aff.gov
- bosque.gov
- forestsandrangelands.gov
- fs.fed.us
- icbemp.gov
- mtbs.gov
- nafri.gov
- reo.gov
- symbols.gov
hchbens2.doc.gov. — query failed for AAAA
- commerce.gov
- doc.gov
- mbda.gov
hudgate.hud.gov. — query failed for AAAA
- disasterhousing.gov
- fha.gov
- homesales.gov
- hud.gov
- nationalhousing.gov
- nationalhousinglocator.gov
- nhl.gov
- nls.gov
hudgater.hud.gov. — query failed for AAAA
- disasterhousing.gov
- fha.gov
- homesales.gov
- hud.gov
- nationalhousing.gov
- nationalhousinglocator.gov
- nhl.gov
- nls.gov
icdc-us-ns1.cdc.gov. — query failed for AAAA
- fruitsandveggiesmatter.gov
- niosh.gov
icdc-us-ns2.cdc.gov. — query failed for AAAA
- fruitsandveggiesmatter.gov
- niosh.gov
icdc-us-ns3.cdc.gov. — query failed for AAAA
- fruitsandveggiesmatter.gov
- niosh.gov
kaucher.dma.mil. — query failed for AAAA
- dod.gov
- pentagon.gov
kci.kcilink.com. — query failed for AAAA
- uscirf.gov
mnsa-dns-001zu.altusandc.gov. — query failed for AAAA
- altusandc.gov
mnsa-dns-002zu.altusandc.gov. — query failed for AAAA
- altusandc.gov
mojavedatagov2.mojavedata.gov. — query failed for AAAA
- mojavedata.gov
ns01-cc-gw.health.mil. — query failed for AAAA
- ehr.gov
ns01-ee-gw.health.mil. — query failed for AAAA
- ehr.gov
ns01.fhfa.gov. — query failed for AAAA
- fhfa.gov
- harp.gov
- mortgagetranslations.gov
ns01-ncr-gw.health.mil. — query failed for AAAA
- ehr.gov
ns01-nwc-gw.health.mil. — query failed for AAAA
- ehr.gov
ns01-pac-gw.health.mil. — query failed for AAAA
- ehr.gov
ns01-sea-gw.health.mil. — query failed for AAAA
- ehr.gov
ns01-sec-gw.health.mil. — query failed for AAAA
- ehr.gov
ns01-swc-gw.health.mil. — query failed for AAAA
- ehr.gov
ns01-we-gw.health.mil. — query failed for AAAA
- ehr.gov
ns02.fhfa.gov. — query failed for AAAA
- fhfa.gov
- harp.gov
- mortgagetranslations.gov
ns03.fhfa.gov. — query failed for AAAA
- fhfa.gov
- harp.gov
- mortgagetranslations.gov
ns04.fhfa.gov. — query failed for AAAA
- fhfa.gov
- harp.gov
- mortgagetranslations.gov
ns07.usaid.gov. — query failed for AAAA
- childreninadversity.gov
- dfafacts.gov
- feedthefuture.gov
- neglecteddiseases.gov
- pmi.gov
- usaid.gov
ns08.usaid.gov. — query failed for AAAA
- childreninadversity.gov
- dfafacts.gov
- feedthefuture.gov
- neglecteddiseases.gov
- pmi.gov
- usaid.gov
ns0.llnl.gov. — query failed for AAAA
- llnl.gov
ns0.peacecorps.gov. — query failed for AAAA
- peacecorps.gov
ns11.customer.level3.net. — query failed for AAAA
- cttso.gov
- tswg.gov
ns1.access-board.gov. — query failed for AAAA
- access-board.gov
ns1.acsalaska.net. — query failed for AAAA
- denali.gov
- fea.gov
ns1.aoc.gov. — query failed for AAAA
- aoc.gov
- capital.gov
- capitol.gov
- usbg.gov
- uscapital.gov
- uscapitol.gov
- visitthecapital.gov
- visitthecapitol.gov
ns1.archive.org. — query failed for AAAA
- webharvest.gov
ns1.blackmesh.com. — query failed for AAAA
- chinacommission.gov
- pdbcecc.gov
- ppdcecc.gov
ns1.bluehost.com. — query failed for AAAA
- ctoc.gov
ns1.cdc.gov. — query failed for AAAA
- bam.gov
- cdc.gov
- cdcpartners.gov
- flu.gov
- healthindicators.gov
- selectagents.gov
- usbm.gov
ns1.csd.disa.mil. — query failed for AAAA
- cpars.gov
- fapiis.gov
- jccs.gov
- mtmc.gov
- ppirs.gov
ns1.csosa.gov. — query failed for AAAA
- csosa.fed.us
- csosa.gov
- pretrialservices.gov
- psa.gov
ns1.dc3on.gov. — query failed for AAAA
- dc3on.gov
ns1.ecfc.gov. — query failed for AAAA
- ecfc.gov
ns1.enterprisehostinginc.com. — query failed for AAAA
- emergency-federal-register.gov
ns1.erpo.gov. — query failed for AAAA
- erpo.gov
ns1.fdc.ibm.com. — query failed for AAAA
- ginniemae.gov
ns1.glb.ferc.gov. — query failed for AAAA
- ferc.gov
ns1.gpo.gov. — query failed for AAAA
- congressionaldirectory.gov
- congressionalrecord.gov
- fdsys.gov
- federalregister.gov
- fedreg.gov
- gpo.gov
- housecalendar.gov
- ofr.gov
- presidentialdocuments.gov
- senatecalendar.gov
- uscode.gov
- usgovernmentmanual.gov
ns1.hmsns.com. — query failed for AAAA
- medpac.gov
ns1.jpo.gov. — query failed for AAAA
- jpo.gov
ns1.lps.gov. — query failed for AAAA
- lps.gov
ns1.milesdns.com. — query failed for AAAA
- ncd.gov
ns1.nationalresourcedirectory.gov. — query failed for AAAA
- nationalresourcedirectory.gov
ns1.nlrb.gov. — query failed for AAAA
- nlrb.gov
ns1.nrd.gov. — query failed for AAAA
- nrd.gov
ns1.nrpo.gov. — query failed for AAAA
- nrpo.gov
ns1.ntsb.gov. — query failed for AAAA
- ntsb.gov
ns1.owc.gov. — query failed for AAAA
- owc.gov
ns1.panola.net. — query failed for AAAA
- dra.gov
ns1.patriotbonds.gov. — query failed for AAAA
- patriotbonds.gov
ns1.pppo.gov. — query failed for AAAA
- pppo.gov
ns1.psd.gov. — query failed for AAAA
- psd.gov
ns1.psup.gov. — query failed for AAAA
- psup.gov
ns1.pubservices.gov. — query failed for AAAA
- pubservices.gov
ns1.rpo.gov. — query failed for AAAA
- rpo.gov
ns1.savvis.net. — query failed for AAAA
- usip.gov
ns1.scholarshipamerica.org. — query failed for AAAA
- jamesmadison.gov
ns1.siteground145.com. — query failed for AAAA
- worldwar1centennial.gov
ns1.tsp.gov. — query failed for AAAA
- tsp.gov
ns1.uspsoig.gov. — query failed for AAAA
- peacecorpsoig.gov
- uspsoig.gov
ns20912480247.a2dns.com. — query failed for AAAA
- militaryaviationsafety.gov
ns20.customer.level3.net. — query failed for AAAA
- cttso.gov
ns26.customer.level3.net. — query failed for AAAA
- tswg.gov
ns2.access-board.gov. — query failed for AAAA
- access-board.gov
ns2.acsalaska.net. — query failed for AAAA
- denali.gov
- fea.gov
ns2.aoc.gov. — query failed for AAAA
- aoc.gov
- capital.gov
- capitol.gov
- usbg.gov
- uscapital.gov
- uscapitol.gov
- visitthecapital.gov
- visitthecapitol.gov
ns2.archive.org. — query failed for AAAA
- webharvest.gov
ns2.blackmesh.com. — query failed for AAAA
- chinacommission.gov
- pdbcecc.gov
- ppdcecc.gov
ns2.bluehost.com. — query failed for AAAA
- ctoc.gov
ns2.cdc.gov. — query failed for AAAA
- bam.gov
- cdc.gov
- cdcpartners.gov
- flu.gov
- healthindicators.gov
- selectagents.gov
- usbm.gov
ns2.dc3on.gov. — query failed for AAAA
- dc3on.gov
ns2.enterprisehostinginc.com. — query failed for AAAA
- emergency-federal-register.gov
ns2.gpo.gov. — query failed for AAAA
- congressionaldirectory.gov
- congressionalrecord.gov
- fdsys.gov
- federalregister.gov
- fedreg.gov
- gpo.gov
- housecalendar.gov
- ofr.gov
- presidentialdocuments.gov
- senatecalendar.gov
- uscode.gov
- usgovernmentmanual.gov
ns2.hmsns.com. — query failed for AAAA
- medpac.gov
ns2.milesdns.com. — query failed for AAAA
- ncd.gov
ns2.nationalresourcedirectory.gov. — query failed for AAAA
- nationalresourcedirectory.gov
ns2.newtargethosting.com. — query failed for AAAA
- compliance.gov
- ocwr.gov
ns2.nitc.usda.gov. — query failed for AAAA
- integrity.gov
- nwcg.gov
ns2.nlrb.gov. — query failed for AAAA
- nlrb.gov
ns2.nrd.gov. — query failed for AAAA
- nrd.gov
ns2.nwtrb.gov. — query failed for AAAA
- nwtrb.gov
ns2.p06.dynect.net. — query failed for AAAA
- nano.gov
ns2.p12.dynect.net. — query failed for AAAA
- digitalliteracy.gov
- ntia.gov
- spectrum.gov
ns2.p16.dynect.net. — query failed for AAAA
- huduser.gov
ns2.p23.dynect.net. — query failed for AAAA
- itrd.gov
- nitrd.gov
ns2.p26.dynect.net. — query failed for AAAA
- globalchange.gov
- usgcrp.gov
ns2.p27.dynect.net. — query failed for AAAA
- pbgc.gov
ns2.p30.dynect.net. — query failed for AAAA
- achp.gov
- preserveamerica.gov
ns2.panola.net. — query failed for AAAA
- dra.gov
ns2.patriotbonds.gov. — query failed for AAAA
- patriotbonds.gov
ns2.pppo.gov. — query failed for AAAA
- pppo.gov
ns2.savvis.net. — query failed for AAAA
- usip.gov
ns2.scholarshipamerica.org. — query failed for AAAA
- jamesmadison.gov
ns2.siteground145.com. — query failed for AAAA
- worldwar1centennial.gov
ns2.tsp.gov. — query failed for AAAA
- tsp.gov
ns2.tvaoig.gov. — query failed for AAAA
- tvaoig.gov
ns2.uspsoig.gov. — query failed for AAAA
- peacecorpsoig.gov
- uspsoig.gov
ns3.acsalaska.net. — query failed for AAAA
- denali.gov
ns3.archive.org. — query failed for AAAA
- webharvest.gov
ns3.cdc.gov. — query failed for AAAA
- bam.gov
- cdc.gov
- cdcpartners.gov
- flu.gov
- healthindicators.gov
- selectagents.gov
- usbm.gov
ns3.enterprisehostinginc.com. — query failed for AAAA
- emergency-federal-register.gov
ns3.exploretsp.gov. — query failed for AAAA
- exploretsp.gov
ns3.fdc.ibm.com. — query failed for AAAA
- ginniemae.gov
ns3.frtib.gov. — query failed for AAAA
- frtib.gov
ns3.frtibtest.gov. — query failed for AAAA
- frtibtest.gov
ns3.glb.ferc.gov. — query failed for AAAA
- ferc.gov
ns3.han.nitc.usda.gov. — query failed for AAAA
- integrity.gov
- nwcg.gov
ns3.hmsns.com. — query failed for AAAA
- medpac.gov
ns3.hudoig.gov. — query failed for AAAA
- hudoig.gov
ns3.nationalresourcedirectory.gov. — query failed for AAAA
- nationalresourcedirectory.gov
ns3.nrc.gov. — query failed for AAAA
- nrc.gov
ns3.nrd.gov. — query failed for AAAA
- nrd.gov
ns3.nwtrb.gov. — query failed for AAAA
- nwtrb.gov
ns3.savvis.net. — query failed for AAAA
- usip.gov
ns3.scholarshipamerica.org. — query failed for AAAA
- jamesmadison.gov
ns3.tsp.gov. — query failed for AAAA
- tsp.gov
ns3.tsptest.gov. — query failed for AAAA
- tsptest.gov
ns3.tvaoig.gov. — query failed for AAAA
- tvaoig.gov
ns3.uspsoig.gov. — query failed for AAAA
- peacecorpsoig.gov
- uspsoig.gov
ns4.acsalaska.net. — query failed for AAAA
- denali.gov
ns4.enterprisehostinginc.com. — query failed for AAAA
- emergency-federal-register.gov
ns4.exploretsp.gov. — query failed for AAAA
- exploretsp.gov
ns4.fdc.ibm.com. — query failed for AAAA
- ginniemae.gov
ns4.frtib.gov. — query failed for AAAA
- frtib.gov
ns4.frtibtest.gov. — query failed for AAAA
- frtibtest.gov
ns4.glb.ferc.gov. — query failed for AAAA
- ferc.gov
ns4.han.nitc.usda.gov. — query failed for AAAA
- integrity.gov
- nwcg.gov
ns4.hudoig.gov. — query failed for AAAA
- hudoig.gov
ns4.p06.dynect.net. — query failed for AAAA
- nano.gov
ns4.p12.dynect.net. — query failed for AAAA
- digitalliteracy.gov
- ntia.gov
- spectrum.gov
ns4.p16.dynect.net. — query failed for AAAA
- huduser.gov
ns4.p23.dynect.net. — query failed for AAAA
- itrd.gov
- nitrd.gov
ns4.p26.dynect.net. — query failed for AAAA
- globalchange.gov
- usgcrp.gov
ns4.p27.dynect.net. — query failed for AAAA
- pbgc.gov
ns4.p30.dynect.net. — query failed for AAAA
- achp.gov
- preserveamerica.gov
ns4.scholarshipamerica.org. — query failed for AAAA
- jamesmadison.gov
ns4.tsp.gov. — query failed for AAAA
- tsp.gov
ns4.tsptest.gov. — query failed for AAAA
- tsptest.gov
ns5.scholarshipamerica.org. — query failed for AAAA
- jamesmadison.gov
ns5.tva.gov. — query failed for AAAA
- tva.gov
ns6866192113.a2dns.com. — query failed for AAAA
- militaryaviationsafety.gov
ns6.tva.gov. — query failed for AAAA
- tva.gov
ns9.newtargethosting.com. — query failed for AAAA
- compliance.gov
- ocwr.gov
ns.cybercom.mil. — query failed for AAAA
- cpars.gov
- fapiis.gov
- jccs.gov
- mtmc.gov
- ppirs.gov
ns.jtfgno.mil. — query failed for AAAA
- cpars.gov
- fapiis.gov
- jccs.gov
- mtmc.gov
- ppirs.gov
ns.lps.gov. — query failed for AAAA
- lps.gov
nsn2.intelink.gov. — query failed for AAAA
- intelink.gov
- ugov.gov
nsn.intelink.gov. — query failed for AAAA
- intelink.gov
- ugov.gov
ns.ntsb.gov. — query failed for AAAA
- ntsb.gov
ozzy.infostructures.com. — query failed for AAAA
- uscirf.gov
pac1.nipr.mil. — query failed for AAAA
- afhsc.mil
- af.mil
- africom.mil
- arlingtoncemetery.mil
- armymedicine.mil
- army.mil
- cac.mil
- capmed.mil
- centcom.mil
- cyber.mil
- cybercom.mil
- darpa.mil
- dau.mil
- dcaa.mil
- dcma.mil
- dcoe.mil
- defenseimagery.mil
- defenselink.mil
- defense.mil
- dfas.mil
- dia.mil
- disa.mil
- dla.mil
- dma.mil
- dodig.mil
- dodiis.mil
- dodlive.mil
- dod.mil
- dsca.mil
- dss.mil
- dtic.mil
- dtra.mil
- eb.mil
- esgr.mil
- health.mil
- jcs.mil
- jsf.mil
- jten.mil
- jtfgno.mil
- mail.mil
- marines.mil
- mda.mil
- militaryonesource.mil
- move.mil
- nationalguard.mil
- navy.mil
- nga.mil
- ng.mil
- nipr.mil
- norad.mil
- northcom.mil
- nro.mil
- osd.mil
- pacom.mil
- pdhealth.mil
- pentagonchannel.mil
- pentagon.mil
- safehelpline.mil
- soc.mil
- socom.mil
- southcom.mil
- stratcom.mil
- transcom.mil
- tricare.mil
- uscg.mil
- usfk.mil
- usmc.mil
- usuhs.mil
- vaccines.mil
- web.mail.mil
- whs.mil
pac2.nipr.mil. — query failed for AAAA
- afhsc.mil
- af.mil
- africom.mil
- arlingtoncemetery.mil
- armymedicine.mil
- army.mil
- cac.mil
- capmed.mil
- centcom.mil
- cyber.mil
- cybercom.mil
- darpa.mil
- dau.mil
- dcaa.mil
- dcma.mil
- dcoe.mil
- defenseimagery.mil
- defenselink.mil
- defense.mil
- dfas.mil
- dia.mil
- disa.mil
- dla.mil
- dma.mil
- dodig.mil
- dodiis.mil
- dodlive.mil
- dod.mil
- dsca.mil
- dss.mil
- dtic.mil
- dtra.mil
- eb.mil
- esgr.mil
- health.mil
- jcs.mil
- jsf.mil
- jten.mil
- jtfgno.mil
- mail.mil
- marines.mil
- mda.mil
- militaryonesource.mil
- move.mil
- nationalguard.mil
- navy.mil
- nga.mil
- ng.mil
- nipr.mil
- norad.mil
- northcom.mil
- nro.mil
- osd.mil
- pacom.mil
- pdhealth.mil
- pentagonchannel.mil
- pentagon.mil
- safehelpline.mil
- soc.mil
- socom.mil
- southcom.mil
- stratcom.mil
- transcom.mil
- tricare.mil
- uscg.mil
- usfk.mil
- usmc.mil
- usuhs.mil
- vaccines.mil
- web.mail.mil
- whs.mil
redball.eia.gov. — query failed for AAAA
- eia.gov
relay1.ucia.gov. — query failed for AAAA
- ncix.gov
russell.dma.mil. — query failed for AAAA
- dod.gov
- pentagon.gov
si-names1.si.edu. — query failed for AAAA
- itis.gov
si-names2.si.edu. — query failed for AAAA
- itis.gov
stark.brass.us-cert.gov. — query failed for AAAA
- us-cert.gov
styx.esc.gov. — query failed for AAAA
- esc.gov
- jccbi.gov
svl-ans-01.inet.qwest.net. — query failed for AAAA
- gaonet.gov
use1.akam.net. — query failed for AAAA
- senate.gov
- sen.gov
use2.akam.net. — query failed for AAAA
- defense.gov
use4.akam.net. — query failed for AAAA
- senate.gov
- sen.gov
use6.akam.net. — query failed for AAAA
- budget.gov
- cao.gov
- cfo.gov
- cio.gov
- eop.gov
- greatagain.gov
- ondcp.gov
- ostp.gov
- presidio.gov
- presidiotrust.gov
- wh.gov
- whitehousedrugpolicy.gov
- whitehouse.gov
use9.akam.net. — query failed for AAAA
- bbg.gov
- defense.gov
- ibb.gov
- voa.gov
usw1.akam.net. — query failed for AAAA
- budget.gov
- cao.gov
- cfo.gov
- cio.gov
- eop.gov
- greatagain.gov
- ondcp.gov
- ostp.gov
- presidio.gov
- presidiotrust.gov
- scinet.gov
- scinet-test.gov
- sc-us.gov
- scus.gov
- supreme-court.gov
- supremecourt.gov
- supremecourtus.gov
- wh.gov
- whitehousedrugpolicy.gov
- whitehouse.gov
usw2.akam.net. — query failed for AAAA
- bbg.gov
- ibb.gov
- scinet.gov
- scinet-test.gov
- sc-us.gov
- scus.gov
- senate.gov
- sen.gov
- supreme-court.gov
- supremecourt.gov
- supremecourtus.gov
- voa.gov
usw5.akam.net. — query failed for AAAA
- cao.gov
- cfo.gov
- cio.gov
- greatagain.gov
- presidio.gov
- presidiotrust.gov
usw6.akam.net. — query failed for AAAA
- cao.gov
- cfo.gov
- cio.gov
- greatagain.gov
- presidio.gov
- presidiotrust.gov
va141-a.usps.com. — query failed for AAAA
- myusps.gov
- uspsinformeddelivery.gov
- uspsinnovates.gov
va82-a.usps.com. — query failed for AAAA
- myusps.gov
- uspsinformeddelivery.gov
- uspsinnovates.gov
volturno.sba.gov. — query failed for AAAA
- business.gov
- nwbc.gov
- sba.gov
- sbir.gov
w31svidzns001.nro.mil. — query failed for AAAA
- nro.gov
xdns1.uscourts.cavc.gov. — query failed for AAAA
- cavc.gov
xdns2.uscourts.cavc.gov. — query failed for AAAA
- cavc.gov
xdns.pppl.gov. — query failed for AAAA
- pppl.gov
yamuna.sba.gov. — query failed for AAAA
- business.gov
- nwbc.gov
- sba.gov
- sbir.gov
IPv6 Nameserver failures
These two nameservers were accessible, but returned a failure instead of an answer for the listed domain getting looked up.
2607:4000:200:42::5 (hanna.cac.washington.edu.) — SERVFAIL
- nlm.gov
2607:f330:2003:403::201 (ns2.cjis.gov.) — REFUSED
- learnatf.gov
- nicic.gov
IPv6 Nameservers which could not be reached
The following 25 IPv6 nameservers couldn't be reached due to a UDP or TCP timeout of at least 11 seconds or other unknown networking failure.
2001:19e8:d4::100 (edns3.dot.gov.) — UDP timeout
- cmts.gov
- distracteddriving.gov
2001:470:1:7a::147 (dnssec11.datamtn.com.) — UDP timeout
- ap.gov
- cigie.gov
- mbda.gov
2001:500:90:1::6 (ns1.p06.dynect.net.) — UDP timeout
- nano.gov
2001:500:94:1::6 (ns3.p06.dynect.net.) — UDP timeout
- nano.gov
2600:803:228:fefe::14 (ns2.csosa.gov.) — TCP fail, UDP timeout
- csosa.fed.us
- csosa.gov
- pretrialservices.gov
- psa.gov
2607:f220:402:1801::a570:4e6 (ns3.nih.gov.) — TCP timeout
- collegedrinkingprevention.gov
- diabetescommittee.gov
- edison.gov
- genome.gov
- iedison.gov
- pubmed.gov
- smokefree.gov
- thecoolspot.gov
2607:f220:418:4101::80e7:401 (ns2.nih.gov.) — TCP fail, UDP timeout
- alzheimers.gov
- brainhealth.gov
- cancer.gov
- cerebrosano.gov
- collegedrinkingprevention.gov
- diabetescommittee.gov
- drugabuse.gov
- edison.gov
- genome.gov
- hrsa.gov
- iedison.gov
- ncifcrf.gov
- nih.gov
- nnlm.gov
- pubmed.gov
- smokefree.gov
- thecoolspot.gov
- tox21.gov
2607:f250:d008:2022:65:106:133:212 (ns2.dol.gov.) — TCP timeout
- apprenticeship.gov
2607:f250:d020:3001:152:180:11:238 (ns06.dol.gov.) — TCP timeout
- veterans.gov
- worker.gov
2607:f250:d020:3001:152:180:11:239 (ns05.dol.gov.) — TCP timeout
- worker.gov
- wrp.gov
2607:f250:d024:3001:152:180:20:20 (stlns08.dol.gov.) — TCP fail, UDP timeout
- apprenticeship.gov
- apprenticeships.gov
- benefits.gov
- dol-esa.gov
- doleta.gov
- dol.gov
- hirevets.gov
- msha.gov
- osha.gov
- trainingproviderresults.gov
- whistleblowers.gov
- worker.gov
- wrp.gov
2610:130:102:112::2 (dns-2.iastate.edu.) — TCP timeout, UDP timeout
- ameslab.gov
2610:20:6005:13::4 (gea2.nist.gov.) — UDP timeout
- nehrp.gov
2620:0:22f0:552::52:16 (ns.jlab.org.) — TCP fail, UDP timeout
- cebaf.gov
2620:0:2b30:304::32 (ns0-alt.ornl.gov.) — TCP timeout, UDP timeout
- casl.gov
- fueleconomy.gov
- isotope.gov
- isotopes.gov
- nccs.gov
- ncrc.gov
- ntrc.gov
- ornl.gov
- scidac.gov
- sns.gov
2620:0:2b30:304::96 (ns0.ornl.gov.) — TCP timeout, UDP timeout
- casl.gov
- fueleconomy.gov
- isotope.gov
- isotopes.gov
- nccs.gov
- ncrc.gov
- ntrc.gov
- ornl.gov
- scidac.gov
- sns.gov
2620:0:2b88:9700::40 (ns2.inel.gov.) — UDP timeout
- inel.gov
- inl.gov
2620:0:c91::67:250 (ns1.hud.gov.) — TCP timeout
- hud.gov
- opportunityzones.gov
2620:0:c91::67:251 (ns2.hud.gov.) — TCP timeout
- hud.gov
- opportunityzones.gov
2620:0:c92::167:45 (ns3.hud.gov.) — TCP timeout
- hud.gov
- opportunityzones.gov
2620:0:c92::167:91 (ns4.hud.gov.) — TCP timeout
- hud.gov
- opportunityzones.gov
2620:117:506f:c::f00c (rtpns2.epa.gov.) — UDP timeout
- greengov.gov
2620:9b:c000:9200:12::30 (dns1.fpki.gov., dns1.fpki-lab.gov., dns1.pki.gov., dns1.pki-lab.gov.) — TCP timeout
- fpki.gov
- fpki-lab.gov
- pki.gov
- pki-lab.gov
The data was collected on June 15, 2020. (Previous checks were done on June 5 and June 14 from a different network to spot check and confirm issues.) DNS Institute researches domain name and nameserver correctness for thousands of domains owned by Fortune 500, S&P 100 Banks, and the US government. For information about the DNS analysis service, please visit http://www.dnsinstitute.com/dns-monitoring/ or contact the DNS Institute.