Reverse Zone Delegation

Thor Kottelin thor at anta.net
Mon Apr 10 10:20:00 UTC 2000



BIND Users Mailing List wrote:

> From: Jason Granat <jason at akota.com>

> I am running BIND 8.2.2 on IRIX 6.5.  My nameservers answer forward and
> reverse queries, however, when a nameserver outside my domain is queried
> forward resolution is correct but reverse does not work.  Delegation
> seems to still be with my upline provider.  With what entity does
> reverse delegation need to be registered? NSI only handles forward as
> far as I understand. Is it an ARIN thing?

If you would have told us the network in question, someone would have been
able to give you the answer right off the shelf. You can check the
delegation yourself though, using your favorite resolver, e.g. nslookup or
dig. Just start at one of the authoritative servers for "in-addr.arpa.",
then look for NS records until you find the end of the delegation chain.
If your network would be 192.168.0/24, you'd look for "192.in-addr.arpa.",
"168.192.in-addr.arpa." or "0.168.192.in-addr.arpa."

It's very common for reverse authority to be with one's uplink provider,
so another option would be going straight to them for help.

Thor

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