Is it necessary for a name server to publish its own IP address?

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Suppose I am setting up a new name
server at ns1.example.com, and I have properly created the glue record at my registrar
to tell the registry that ns1.example.com should point to my name server's IP address at
77.77.77.77. Is there anything in the configuration of my name server that needs to also
publish this IP address in a zone? I.e. publish an NS or A record for
itself?

If the name server didn't publish its
own IP address (aside from in the registry glue record) would clients still be able to
query me for other records successfully?

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class="normal">Answer

The name
server needs to publish its own record for the name. Glue records should only be used to
"bootstrap" discovery, and then be discarded in favour of the result retrieved from the
actual authoritative nameservers. I'm not entirely sure what
recursive resolvers will do when they get NXDOMAIN for a record
they got glue for, but I'm pretty confident it won't be pretty, nor consistent between
implementations.

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