bind-9.7.2 not forward CNAMEDed domain names

Drunkard Zhang gongfan193 at gmail.com
Tue Feb 22 09:50:16 UTC 2011


2011/2/22 Florian Weimer <fweimer at bfk.de>:
> * Drunkard Zhang:
>
>> The upstream DNS server 211.161.192.1 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 211.161.192.1 must be
> discarded because that is server is not authoritative for cachecn.com.
> From your resolver's perspective, it is a totally unrelated domain
> name.
>
Thanks! So bind can accept second hand answer, but won't accept third
hand (or more) answer?

> --
> Florian Weimer                <fweimer at bfk.de>
> BFK edv-consulting GmbH       http://www.bfk.de/
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>



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