Hi guys! Any suggestions/clue? Thanks in advance
Federico On 30 Oct 2015 12:06, "Federico Olivieri" <lvrfr...@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@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 >
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