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<p class="MsoNormal"><span style="color:#1F497D">Sorry for my late answer, but our corporate email server seems to dislike mailing lists and ate the message up. Searching the web I’ve found the answer. That’s why I’m answering to my previous message<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">The cname can be resolved<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">$ dig @localhost 10m.pub.dtvc.local<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.37.rc1.el6_7.6 <<>> @localhost 10m.pub.dtvc.local<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">; (2 servers found)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">;; global options: +cmd<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">;; Got answer:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34642<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">;; QUESTION SECTION:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">;10m.pub.dtvc.local. IN A<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">;; ANSWER SECTION:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">10m.pub.dtvc.local. 3600 IN CNAME lbback.pub.dtvc.local.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">lbback.pub.dtvc.local. 3600 IN A 10.111.0.26<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">;; Query time: 0 msec<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">;; SERVER: 127.0.0.1#53(127.0.0.1)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">;; WHEN: Tue Feb 16 12:34:04 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">;; MSG SIZE rcvd: 87<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Using wireshark I’ve seen the query for A and AAAA records and the response for A and a NXDOMAIN response for the AAAA.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">We tried with a newer version but no improvement.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Kind regards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">----------------------<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Simon wrote<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.5pt;font-family:"Arial","sans-serif";color:#222222"><br>
The simplest explanation for this is that 10m.pub.dtvc.local is a<br>
CNAME which points to a non-existant domain. If that was the case,<br>
then the cache entry would last only as long as the domain's negative<br>
TTL, which could be much shorter.<br>
<br>
<br>
What answer do you get when you run<br>
<br>
<br>
dig 10m.pub.dtvc.local<br>
<br>
Cheers,<br>
<br>
Simon.</span><span style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:CA">De:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:CA"> Comerma Pare, Antoni
<br>
<b>Enviat:</b> dimecres, 3 / febrer / 2016 11:48<br>
<b>Per a:</b> 'dnsmasq-discuss@lists.thekelleys.org.uk'<br>
<b>Tema:</b> Some dns entries are not cached properly<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">We are experiencing some weird behavior when using dnsmasq as dns cache. We are using it in a webserver that makes lots of dns request for just a bunch of backend servers, so the # of cache entries is usually very low,
but for some of these entries, dnsmasq is forwarding more requests than expected.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Here there is an extract of the requests answered by dnsmasq<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New"">awk -f dns.awk /tmp/dnsmasq.log<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New""> name | nb | forwarded | answered with cache<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New""> 1m.pub.dtvc.local | 296 | 146 | 150<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New""> config.pub.dtvc.local | 434 | 197 | 242<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New""> web01.pub.dtvc.local | 10 | 5 | 5<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New""> 24h.pub.dtvc.local | 12 | 6 | 6<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New""> lbfront-static.pub.dtvc.local | 31 | 6 | 25<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New""> lbfront-php-old.pub.dtvc.local | 648 | 17 | 631<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New""> memc01.pub.dtvc.local | 62286 | 28 | 62258<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New""> 30m.pub.dtvc.local | 13784 | 2096 | 11694<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New""> 10m.pub.dtvc.local | 17702 | 2312 | 15406<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New""> 10s.pub.dtvc.local | 6522 | 2461 | 4067<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">DNS TTL is 3600 for all entries<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New"">10s.pub.dtvc.local, 10m.pub.dtvc.local, 30m, 24h
</span><span lang="EN-US"> have a low cache hit ratio (much more than expected) , while
</span><span lang="EN-US" style="font-family:"Courier New"">memc01.pub.dtvc.local</span><span lang="EN-US"> has a high hit ratio (as expected)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The problematic entries are CNAMES, A records work as expected<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The apache webserver is making requests for A and AAAA addresses. The DNS server returns NODATA-IPV6 for AAAA requests<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">An extract from the logfile, for 10s.pub.dtvc.local shows a lot of requests for A and AAAA. It seems than a great part of A requests are forwarded, while AAAA records are mainly cached.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">This is for entry 10s.pub.dtvc.local<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:23 dnsmasq[1931]: query[A] 10s.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:23 dnsmasq[1931]: forwarded 10s.pub.dtvc.local to 172.26.10.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:23 dnsmasq[1931]: reply 10s.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:23 dnsmasq[1931]: query[AAAA] 10s.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:23 dnsmasq[1931]: cached 10s.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:25 dnsmasq[1931]: query[A] 10s.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:25 dnsmasq[1931]: cached 10s.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:25 dnsmasq[1931]: query[AAAA] 10s.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:25 dnsmasq[1931]: cached 10s.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:27 dnsmasq[1931]: query[A] 10s.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:27 dnsmasq[1931]: forwarded 10s.pub.dtvc.local to 172.26.10.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:27 dnsmasq[1931]: reply 10s.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:27 dnsmasq[1931]: query[AAAA] 10s.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:27 dnsmasq[1931]: cached 10s.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:27 dnsmasq[1931]: query[A] 10s.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:27 dnsmasq[1931]: cached 10s.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:27 dnsmasq[1931]: query[AAAA] 10s.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:27 dnsmasq[1931]: cached 10s.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:30 dnsmasq[1931]: query[A] 10s.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:30 dnsmasq[1931]: forwarded 10s.pub.dtvc.local to 172.26.10.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:30 dnsmasq[1931]: reply 10s.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:30 dnsmasq[1931]: query[AAAA] 10s.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:30 dnsmasq[1931]: cached 10s.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:37 dnsmasq[1931]: query[A] 10s.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:37 dnsmasq[1931]: forwarded 10s.pub.dtvc.local to 172.26.10.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:37 dnsmasq[1931]: reply 10s.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:37 dnsmasq[1931]: query[AAAA] 10s.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 10:32:37 dnsmasq[1931]: cached 10s.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">This is for 10m.pub.dtvc.local<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:06 dnsmasq[58096]: query[A] 10m.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:06 dnsmasq[58096]: forwarded 10m.pub.dtvc.local to 172.20.1.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:06 dnsmasq[58096]: reply 10m.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:06 dnsmasq[58096]: query[AAAA] 10m.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:06 dnsmasq[58096]: cached 10m.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:06 dnsmasq[58096]: query[A] 10m.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:06 dnsmasq[58096]: cached 10m.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:06 dnsmasq[58096]: query[AAAA] 10m.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:06 dnsmasq[58096]: cached 10m.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:07 dnsmasq[58096]: query[A] 10m.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:07 dnsmasq[58096]: cached 10m.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:07 dnsmasq[58096]: query[AAAA] 10m.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:07 dnsmasq[58096]: cached 10m.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:07 dnsmasq[58096]: query[A] 10m.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:07 dnsmasq[58096]: cached 10m.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:07 dnsmasq[58096]: query[AAAA] 10m.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:07 dnsmasq[58096]: cached 10m.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:09 dnsmasq[58096]: query[A] 10m.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:09 dnsmasq[58096]: forwarded 10m.pub.dtvc.local to 172.20.1.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:09 dnsmasq[58096]: reply 10m.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:09 dnsmasq[58096]: query[AAAA] 10m.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:09 dnsmasq[58096]: cached 10m.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:09 dnsmasq[58096]: query[A] 10m.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:09 dnsmasq[58096]: cached 10m.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:09 dnsmasq[58096]: query[AAAA] 10m.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:09 dnsmasq[58096]: cached 10m.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:09 dnsmasq[58096]: query[A] 10m.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:09 dnsmasq[58096]: forwarded 10m.pub.dtvc.local to 172.20.1.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:09 dnsmasq[58096]: reply 10m.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:09 dnsmasq[58096]: query[AAAA] 10m.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:09 dnsmasq[58096]: cached 10m.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:10 dnsmasq[58096]: query[A] 10m.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:10 dnsmasq[58096]: cached 10m.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:10 dnsmasq[58096]: query[AAAA] 10m.pub.dtvc.local from 127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 3 09:57:10 dnsmasq[58096]: cached 10m.pub.dtvc.local is <CNAME><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Dumping the cache contents, it shows<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: cache size 1000, 0/6659 cache insertions re-used unexpired cache entries.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: queries forwarded 3359, queries answered locally 71834<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: server 172.20.1.1#53: queries sent 3359, retried or failed 2<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: Host Address Flags Expires<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: backend.pub.dtvc.local CF Wed Feb 3 10:00:58 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: lbfront-static.pub.dtvc.local 10.111.0.23 4F Wed Feb 3 10:24:42 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: big.dtvc.local big06.dtvc.local CF Wed Feb 3 10:07:17 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: 10m.pub.dtvc.local CF Wed Feb 3 10:47:07 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: 1m.pub.dtvc.local CF Wed Feb 3 10:03:46 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: 24h.pub.dtvc.local CF Wed Feb 3 10:21:52 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: memc02.pub.dtvc.local 6F N Wed Feb 3 10:00:38 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: memc02.pub.dtvc.local 10.111.0.12 4F Wed Feb 3 10:00:38 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: memc01.pub.dtvc.local 6F N Wed Feb 3 10:00:38 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: memc01.pub.dtvc.local 10.111.0.11 4F Wed Feb 3 10:00:38 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: 172.29.120.101 4 R NX Wed Feb 3 10:35:26 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: 172.26.60.50 4 R NX Wed Feb 3 10:30:01 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: lbfront-php-old.pub.dtvc.local 6F N Wed Feb 3 10:05:24 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: lbfront-php-old.pub.dtvc.local 193.104.51.29 4F Wed Feb 3 09:52:01 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: lbback.pub.dtvc.local 10.111.0.26 4F Wed Feb 3 10:10:55 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: lbback.pub.dtvc.local 6F N Wed Feb 3 10:00:39 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: lbfront-web-old.pub.dtvc.local 6F N Wed Feb 3 10:00:40 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: lbfront-web-old.pub.dtvc.local 10.111.0.36 4F Wed Feb 3 10:00:40 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: config.pub.dtvc.local CF Wed Feb 3 10:00:44 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: big06.dtvc.local 6F N Wed Feb 3 09:48:34 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: big06.dtvc.local 172.26.11.141 4F Wed Feb 3 10:07:16 2016<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:CA">Feb 3 09:51:28 dnsmasq[58096]: 30m.pub.dtvc.local lbback.pub.dtvc.local CF Wed Feb 3 10:00:37 2016</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’ve noticed that:<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">ˇ<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>One of the problemŕtic entries, 10s.pub.dtvc.local does not appear<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">ˇ<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>10m.pub.dtvc.local does not have “Address”<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">ˇ<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>30m.pub.dtvc.local in contrast, has “address”= lbback.pub.dtvc.local. In fact, all 3 entries are CNAMES pointing to lbback.pub.dtvc.local<o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">These are the symptoms, but we don’t have explanation. We’ve digged into the man page, the lists, google, and no clues.<o:p></o:p></span></p>
<table class="MsoNormalTable" border="0" cellpadding="0">
<tbody>
<tr>
<td style="padding:.75pt .75pt .75pt .75pt">
<table class="MsoNormalTable" border="0" cellspacing="30" cellpadding="0">
<tbody>
<tr>
<td width="550" style="width:412.5pt;padding:0cm 0cm 0cm 0cm">
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#333333;mso-fareast-language:CA">Toni Comerma</span></b><span style="mso-fareast-language:CA"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#333333;mso-fareast-language:CA">SECA Infraestructures i Comunicacions<br>
c/ de la TV3 s/n ˇ 08970 Sant Joan Despí (Baix Llobregat)<br>
Telčfon: +34 935.522.328</span><span style="mso-fareast-language:CA"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#333333;mso-fareast-language:CA">Mňbil: +34 627.481.650</span><span style="mso-fareast-language:CA"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#333333;mso-fareast-language:CA"><a href="http://www.tv3.cat/" title="http://www.tv3.cat/">www.tv3.cat</a><o:p></o:p></span></p>
</td>
</tr>
</tbody>
</table>
<p class="MsoNormal"><span style="display:none;mso-fareast-language:CA"><o:p> </o:p></span></p>
<table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0">
<tbody>
<tr>
<td style="padding:0cm 0cm 0cm 0cm"></td>
</tr>
</tbody>
</table>
<p class="MsoNormal"><span style="mso-fareast-language:CA"><o:p></o:p></span></p>
</td>
</tr>
</tbody>
</table>
<p class="MsoNormal"><span style="mso-fareast-language:CA"><o:p> </o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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