List aliases?

Kevin Darcy kcd at
Mon Oct 30 19:27:29 UTC 2006

Bob wrote:
> Kevin Darcy said:
>> Bob wrote:
>>> Is it possible to list all aliases by which a DNS server knows a given IP
>>> address?
>>> I don't find anything in nslookup that gives me this information.
>> Nope. How would a given nameserver even know if some other, unrelated 
>> nameserver on the other side of the world had a record in one of its 
>> zones pointing to any given name or IP address?
> Thanks.
> However, although I'm sure now that it doesn't change the answer,
> I feel compelled to point out that, realizing that no DNS server
> could know the aliases on any others, I did specifically ask if I
> could list the aliases known to "a" DNS server. 
True, you did ask that. We usually get the more general "all aliases 
pointed to a given name" question.

I guess the answer to your question is to do a zone transfer of all 
zones hosted by that server and look for relevant aliases. This _might_ 
have been a good fit for the old IQUERY (inverse query) mechanism, but 
as I mentioned, it's not supported any more.

                     - Kevin

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