Before starting your DNSSEC deployment, check with your parent zone administrators to make sure they support DNSSEC. This may or may not be the same entity as your registrar. As you will see later in the section called “Working with Parent Zone”, a crucial step in DNSSEC deployment is to establish the parent-child trust relationship. If your parent zone does not support DNSSEC yet, contact them to voice your concern.
ICANN maintains a list of registrars who support DNSSEC:
Some organizations may be subject to stricter security requirements than others. Check to see if your organization requires stronger cryptographic keys be generated and stored, or how often keys need to be rotated. The examples presented in this document are not intended for high value zones. We cover some of these security considerations in Chapter 6, Advanced Discussions.