strange behaviour of resolving nameserver

[Mark Andrews]

In message <20100312144823.4aeab714 at the-damian.de>, Torsten writes:
> It happened again... only this time, I have network packets of working
> queries and those answered with servfail by the local resolver.
> 
> What I've done:
> I've flushed the cache, made a dig to the local resolver and at the
> same time captured the network traffic.
> 
> The disturbing part about it is, that both times (those queries
> resolving and those ending in a servfail) the last packet seen is an
> answer packet from dns2.m-qube.com (64.14.96.64) and both look okay to
> me. I wonder why named sometimes responds with a servfail and most of
> the time not.
> 
> Ciao
> Torsten

SERVFAIL is how nameservers report general error conditions.  Without
complete details all we would be doing is guessing.

Mark
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org