Not enough information is provided about how your PTR zone is configured
to allow anyone to provide a definitive answer. (Is this nonroutable
space? Where are the machines located? Are they talking directly to the
auth servers or are there recursives in the resolution path?)
On Fri, 4 Nov 2022, David Carvalho via bind-users wrote:
Reverse (PTR) Dns queries about my.domain from my.domain didn't work. Now
that the internet connection is restored, everything is ok.
Overall I'm unsurprised.
You can put PTR records in a Response Policy Zone as a mitigation or for
more advanced purposes.
--
Fred Morris, internet plumber
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