bind-9.7.2 not forward CNAMEDed domain names
fweimer at bfk.de
Tue Feb 22 09:58:12 UTC 2011
* Drunkard Zhang:
> 2011/2/22 Florian Weimer <fweimer at bfk.de>:
>> * Drunkard Zhang:
>>> The upstream DNS server 188.8.131.52 did responsed correctly, by
>>> analysis via tcpdump. But why bind didn't use THE RESPONSE, but
>>> resolves again from root-servers.
>> Unfortunately, the information provided by 184.108.40.206 must be
>> discarded because that is server is not authoritative for cachecn.com.
>> From your resolver's perspective, it is a totally unrelated domain
> Thanks! So bind can accept second hand answer, but won't accept third
> hand (or more) answer?
It shouldn't accept the second CNAME, either. Are you sure that it
does? It's probably the same globally, so it's not visible from the
Florian Weimer <fweimer at bfk.de>
BFK edv-consulting GmbH http://www.bfk.de/
Kriegsstraße 100 tel: +49-721-96201-1
D-76133 Karlsruhe fax: +49-721-96201-99
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