Documentation
Guides & reference
Everything for setting up, verifying, and troubleshooting secondary DNS on AnyZone.
Getting started with secondary DNS
What secondary DNS is, why you'd want it, and what happens when you sign up.
TXT verification, explained
Why we need a TXT record before anything else, and how to add one on common providers.
TSIG vs. IP allow-lists
The two ways to authorize a zone transfer, and how to tell which your provider supports.
When your provider won't allow AXFR at all
Some hosted DNS providers refuse third-party transfers outright. Here's the workaround.