[Pdns-users] SERVFAIL pdns-recursor

[Federico Olivieri]

Hi guys!
Any suggestions/clue?

Thanks in advance

Federico
On 30 Oct 2015 12:06, "Federico Olivieri" <lvrfrc87 at gmail.com> wrote:

> Hi guys,
>
> I know that this topics has been already discussed in the past but
> unfortunately the answer gave are not really clear to me (for a my leak of
> knowledge :) )
>
> On my server I can see many SERVFAIL error messages. Some of them are
> related to invers arp (not interested in them) other, are related to more
> common domani name (as youtube, facebook and google)
>
> i.e
>
> oot at banana:/var/log# cat messages.1 | grep "SERVFAIL" | grep -v
> "in-addr.arpa" | grep "google"
> Oct 22 17:05:58 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.11 during resolve of 'mtalk.google.com.' because: Too much time
> waiting for mtalk.google.com.|A, timeouts: 5, throttles: 2, queries: 6,
> 8076msec
> Oct 22 17:05:59 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.11 during resolve of 'www.google.com.' because: Too much time
> waiting for www.google.com.|A, timeouts: 5, throttles: 0, queries: 6,
> 8746msec
> Oct 22 17:05:59 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.11 during resolve of '1.client-channel.google.com.' because:
> Too much time waiting for 1.client-channel.google.com.|A, timeouts: 5,
> throttles: 0, queries: 6, 8745msec
> Oct 22 17:05:59 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.11 during resolve of '1.client-channel.google.com.' because:
> Too much time waiting for 1.client-channel.google.com.|A, timeouts: 5,
> throttles: 0, queries: 6, 8261msec
> Oct 22 17:05:59 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.11 during resolve of 'www.google.com.' because: Too much time
> waiting for www.google.com.|A, timeouts: 5, throttles: 0, queries: 6,
> 8261msec
> Oct 22 17:05:59 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.11 during resolve of 'mtalk.google.com.' because: Too much time
> waiting for mtalk.google.com.|A, timeouts: 5, throttles: 2, queries: 6,
> 8365msec
> Oct 22 17:06:01 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.11 during resolve of 'mtalk.google.com.' because: Too much time
> waiting for mtalk.google.com.|A, timeouts: 5, throttles: 5, queries: 6,
> 8103msec
> Oct 22 17:06:01 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.11 during resolve of 'www.google.com.' because: Too much time
> waiting for www.google.com.|A, timeouts: 5, throttles: 1, queries: 6,
> 8161msec
> Oct 22 17:06:01 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.11 during resolve of '1.client-channel.google.com.' because:
> Too much time waiting for 1.client-channel.google.com.|A, timeouts: 5,
> throttles: 1, queries: 6, 8160msec
> Oct 22 17:06:03 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.11 during resolve of 'mtalk.google.com.' because: Too much time
> waiting for mtalk.google.com.|A, timeouts: 5, throttles: 4, queries: 6,
> 8191msec
> Oct 22 17:06:04 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.11 during resolve of '1.client-channel.google.com.' because:
> Too much time waiting for 1.client-channel.google.com.|A, timeouts: 4,
> throttles: 2, queries: 5, 7187msec
> Oct 22 17:06:04 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.11 during resolve of '1.client-channel.google.com.' because:
> Too much time waiting for 1.client-channel.google.com.|A, timeouts: 4,
> throttles: 0, queries: 5, 7144msec
> Oct 22 17:06:04 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.11 during resolve of 'www.google.com.' because: Too much time
> waiting for www.google.com.|A, timeouts: 4, throttles: 0, queries: 5,
> 7143msec
> Oct 22 17:06:04 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.11 during resolve of 'mtalk.google.com.' because: Too much time
> waiting for mtalk.google.com.|A, timeouts: 5, throttles: 4, queries: 6,
> 7795msec
> Oct 22 17:06:06 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.11 during resolve of 'mtalk.google.com.' because: Too much time
> waiting for mtalk.google.com.|A, timeouts: 5, throttles: 4, queries: 6,
> 8446msec
> Oct 22 17:06:07 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.12 during resolve of 'www.googleapis.com.' because: Too much
> time waiting for www.googleapis.com.|AAAA, timeouts: 5, throttles: 0,
> queries: 6, 8107msec
> Oct 22 17:06:08 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.12 during resolve of 'clients4.google.com.' because: Too much
> time waiting for clients4.google.com.|AAAA, timeouts: 5, throttles: 0,
> queries: 6, 8053msec
> Oct 22 17:06:09 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.12 during resolve of 'clients3.google.com.' because: Too much
> time waiting for clients3.google.com.|AAAA, timeouts: 5, throttles: 0,
> queries: 6, 8453msec
> Oct 22 17:06:11 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.12 during resolve of 'mtalk.google.com.' because: Too much time
> waiting for mtalk.google.com.|AAAA, timeouts: 5, throttles: 0, queries: 6,
> 8380msec
> Oct 22 17:06:31 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.12 during resolve of 'www.googleapis.com.' because: Too much
> time waiting for www.googleapis.com.|A, timeouts: 5, throttles: 0, queries:
> 6, 8513msec
> Oct 22 17:06:31 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.12 during resolve of 'clients4.google.com.' because: Too much
> time waiting for clients4.google.com.|A, timeouts: 5, throttles: 0,
> queries: 6, 8074msec
> Oct 22 17:06:32 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.12 during resolve of 'clients3.google.com.' because: Too much
> time waiting for clients3.google.com.|A, timeouts: 5, throttles: 0,
> queries: 6, 8295msec
> Oct 23 11:00:57 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.12 during resolve of 'play.googleapis.com.' because: Too much
> time waiting for googleapis.l.google.com.|AAAA, timeouts: 4, throttles: 0,
> queries: 6, 8023msec
> Oct 23 11:02:18 banana pdns_recursor[2485]: Sending SERVFAIL to
> 192.168.0.12 during resolve of 'www.googleapis.com.' because: Too much
> time waiting for googleapis.l.google.com.|AAAA, timeouts: 4, throttles: 0,
> queries: 6, 8246msec
> Oct 23 11:11:36 banana pdns_recursor[2485]: Sending SERVFAIL to
> 78.152.97.196 during resolve of 'www.googleapis.com.' because: Too much
> time waiting for googleapis.l.google.com.|A, timeouts: 4, throttles: 0,
> queries: 6, 7674msec
> Oct 23 11:51:08 banana pdns_recursor[2485]: Sending SERVFAIL to
> 5.172.125.114 during resolve of 'www.youtube.com.' because: Too much time
> waiting for youtube-ui.l.google.com.|A, timeouts: 4, throttles: 0, queries:
> 6, 7465msec
>
> Now, what I have learnt in the life is that everything is possible and it
> could be possible that authoritative servers for youtube and google are
> "busy" and they don't forward the reply on-time but...it seems strange to
> me.
>
> There are other reasons for a SERVFAIL reply? Something could be wrong on
> my set-up
>
> Thank you for your time
>
> Regards
>
> Federico
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.powerdns.com/pipermail/pdns-users/attachments/20151101/6566e074/attachment.html>