Maintained by: NLnet Labs

[Unbound-users] unbound occasionally does not answer

W.C.A. Wijngaards
Mon Aug 17 14:49:13 CEST 2009


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Hi Felix,

You said you resolved you problems by reconfiguring your local
authoritative server that was dropping (specific) queries.  I
have now also fixed unbound to only blacklist servers after
they fail to respond to 16 queries in a row.  So that if you
get traffic to the server for which it responds, then unbound
keeps on using the server.

Thanks for reporting this hard to find issue.

Best regards,
   Wouter

On 08/14/2009 10:31 AM, Felix Schueren wrote:
>> If you dig for them yourself, do you get an answer?
> Yes, always, but as I said, only a couple hundred queries out of at
> least a couple million are left unanswered, so it's very hard to reproduce.
> 
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