Suboptimal behavior from nsd

Alexis Yushin alexis at ww.net
Mon Jan 12 16:23:29 UTC 2004


Once Ted Lindgreen wrote:
>[Quoting Alexis Yushin, on Jan 12, 16:10, in "Re: Suboptimal behav ..."]
>> Once Ted Lindgreen wrote:
>> >[Quoting Stephane Bortzmeyer, on Jan 12, 14:55, in "Re: Suboptimal behav ..."]
>> >> On Thu, Jan 08, 2004 at 02:36:51PM +0100,
>> >>  Ted Lindgreen <ted at tednet.nl> wrote 
>> >>  a message of 49 lines which said:
>> >> 
>> >> > An authoritative-only server should only produce the necessary
>> >> > glue:  info about in-zone nameservers, and no other Additional
>> >> > data. 
>> >> 
>> >> So, BIND is wrong?
>> >
>> >No, BIND is (per default) not an "authoritative-only server".
>> >
>> >BIND is (also) a caching forwarder, and caching forwarders can/may
>> >give back any RRsets it has properly looked up and successfully
>> >cached earlier, when it believes such RRsets may to be relevant to
>> >the requestor (like an A RR to which a CNAME or an MX points).
>> 
>> As long as AA flag is not set on the answer.
>
>No, that is not true:
>
>  The AA flag reflects the status of the info in the "ANSWER SECTION",
>  and says nothing about status of the info in the "ADDITIONAL SECTION".

Well we were talking about BIND returning the A records in the answer
section, no?

Alexis



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