> On Friday, May 30, 2014 12:34 AM, Mark Andrews <ma...@isc.org> wrote:
> >
> In message <1401424053.51486.yahoomail...@web121604.mail.ne1.yahoo.com>,
> Jiann-
> Ming Su writes:
>>
>>
>> Looking through the traces of the NXDomain vs NoError responses. The
>> NoError response includes the list of the Internet root servers. This
>> would definitely be a valid response for a "." query. I wonder
> if I've
>> run into a bug with this particular version of BIND where it ignores or
>> changes the actual query with a "." lookup. Hence the NoError
> response
>> with the full list of root servers.
>
> Apply Occams Razor. The client made a "." query.
>
> Named returns the query it was asked. It it pointless to return
> anything else as the client is supposed to check and discared answers
> that don't match.
>
Except in the packet capture, both the response and query packets clearly shows
the query to be for the SRV record, not for ".". This is a pretty old version
of BIND9, so I'm not going to file a bug report. I appreciate your insights;
they helped me work through what we're observing with this app. It's
unfortunate that these applications are still pointing to two generation old
DNS infrastructure. The risks of not updating.
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