looking up rr.com associated ptr and a records (problem?)
Andrew Brown
atatat at atatdot.net
Sun Sep 30 20:49:54 UTC 2001
>>...
>> even though ns1.rdc-nyc.rr.com *will* respond with aa set.
>
> Okay, technically not lame since ns1.rdc-nyc.rr.com will respond
>authoritatively. IMO, this is still a serious delegation problem and
>needs to be corrected.
yep.
>>> Looking at the 76.108.66.in-addr.arpa zone, I note that all of
>>>the delegated nameservers are lame:
>>
>> sort of lame, but not, in a weird way. they don't set aa, but the
>> ttls don't decrement either, as you usually get with a non-auth
>> server.
>
> I would call that a lame delegation. Maybe there's a better term
>for it, but it's the best one I know of.
i'm sort of holding fast to the idea that a lame server can't answer
queries it ought to, but instead just refers you backwards or
sideways. this has answers...that lack the aa bit.
>>...
>> not quite a comprehensive report, nothing about the lack of aa bits on
>> responses, and i still have no idea why my named doesn't like them.
>
> Not an exhaustive report, no. For example, the tool also doesn't
>re-query for the data to see if any of the TTLs have decreased, in
>which case the server is handing out cached glue. But still quite a
>bit more detailed than we had otherwise seen.
well...yes, but i don't think it turned up anything useful.
--
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