History of the Domain Name System

DNS History Timeline

The early root servers — historical copies of the hints to find the root servers.

Running ancient 1990 BIND 4 on modern Internet
DNS standards still mostly working after 30 years. This week-long study used a 386BSD port of 1990 4.3BSD-Reno's BIND named 4.8.3 with modern DNS for recursive and authoritative services.