Intermittent failures resolving .org domains in BIND 9.7.0 with DLV enabled

Sam Wilson Sam.Wilson at ed.ac.uk
Tue Mar 30 10:47:03 UTC 2010


In article <mailman.983.1269884152.21153.bind-users at lists.isc.org>,
 Roy Badami <roy at gnomon.org.uk> wrote:

> > I have seen this happen when bind for some reason (eg mtu issues with
> > vpn) cannot query for the DLV key at dlv.isc.org. I have not figured
> > out the exact failure mode there. Check the logs to see errors for DNSKEY
> > queries for dlv.isc.org to see if this is happening here too. However in
> > that case, no queries at all make it.
> 
> Hmm, I wonder whether it could be related to my tunnelled IPv6
> connectivity.  I still don't see why, though.
> 
> Resolution definitely works sometimes.  When it starts failing
> 'rndc flush' has fixed it for me.

... thus removing a cached and broken resolution chain and starting 
again from fresh?

Sam



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