monitoring BIND

Romskie L rslaranjo at
Wed Jul 13 15:43:16 UTC 2011

You can use dig to get a sample of the response time and rndc stats to
get query and nameserver statistics.

On Wed, Jul 13, 2011 at 11:15 PM, Romskie L <rslaranjo at> wrote:
> Hi Karl,
> Have you considered using dig?
> -Romskie
> On Wed, Jul 13, 2011 at 10:43 PM, Karl Auer <kauer at> wrote:
>> We have some nameservers :-) that are used by quite a few thousands of
>> people. Every now and then someone comes to us and complains that the
>> DNS is responding slowly. Sometimes they are right, and we find the
>> problem and fix it. But most of the time everything runs fine, and the
>> DNS is not, in fact, responding slowly when that someone comes to
>> complain. It turns out to be their PC, or a local network issue, or
>> whatever.
>> So we have a homegrown system in place that watches the traffic to and
>> from the nameservers, matches queries to answers, ignores everything
>> else, and notes how long it was between the question going past and the
>> answer going past in the opposite direction. It writes summarised
>> information second by second into a database so we can see exactly when
>> problems with response times happen, how long they happen for, and how
>> bad they are when they happen.
>> Our system has two faults (well, two that we are actually concerned
>> about): It only watches UDP, and it can't deal with fragmented packets.
>> So I was wondering if there is a better solution out there?
>> Regards, K.
>> --
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> Karl Auer (kauer at                   +61-2-64957160 (h)
>>                   +61-428-957160 (mob)
>> GPG fingerprint: DA41 51B1 1481 16E1 F7E2 B2E9 3007 14ED 5736 F687
>> Old fingerprint: B386 7819 B227 2961 8301 C5A9 2EBC 754B CD97 0156
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