Denis Fondras wrote:
What if primary.childzone.parentzone.example.com is the primary for parentzone.example.com, and childzone.parentzone.example.com?In that specific case it looks like you are asking for trouble regardless of address family :)
What? It's a typical configuration with glues.
For example, in my organization, ns1.noc.titech.ac.jp is the
primary for noc.titech.ac.jp and titech.ac.jp.
Masataka Ohta
