Here we go: # time dig -x 10.100.128.1 ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.37.rc1.el6_7.6 <<>> -x 10.100.128.1 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 11319 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 ;; QUESTION SECTION: ;1.128.100.10.in-addr.arpa. IN PTR ;; AUTHORITY SECTION: 10.in-addr.arpa. 86400 IN SOA localhost. root.localhost. 1 604800 86400 2419200 86400 ;; Query time: 32 msec ;; SERVER: 192.231.203.3#53(192.231.203.3) ;; WHEN: Thu Mar 3 18:07:21 2016 ;; MSG SIZE rcvd: 93 real 0m0.037s user 0m0.003s sys 0m0.001s > On 3 Mar 2016, at 5:44 PM, Eliezer Croitoru <eliezer@xxxxxxxxxxxx> wrote: > > can you try the next command: > dig -x 10.100.128.1 > > Eliezer > > On 03/03/2016 08:04, Dan Charlesworth wrote: >> Like this: >> >> # time nslookup httpbin.org >> Server: 192.231.203.3 >> Address: 192.231.203.3#53 >> >> Non-authoritative answer: >> Name: httpbin.org >> Address: 54.175.222.246 >> >> real 0m0.026s >> user 0m0.001s >> sys 0m0.004s >> >> >> # time dig httpbin.org >> >> ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.37.rc1.el6_7.6 <<>> httpbin.org >> ;; global options: +cmd >> ;; Got answer: >> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 44477 >> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 4 >> >> ;; QUESTION SECTION: >> ;httpbin.org. IN A >> >> ;; ANSWER SECTION: >> httpbin.org. 577 IN A 54.175.222.246 >> >> ;; AUTHORITY SECTION: >> httpbin.org. 6161 IN NS ns-769.awsdns-32.net. >> httpbin.org. 6161 IN NS ns-1074.awsdns-06.org. >> httpbin.org. 6161 IN NS ns-410.awsdns-51.com. >> httpbin.org. 6161 IN NS ns-1756.awsdns-27.co.uk. >> >> ;; ADDITIONAL SECTION: >> ns-410.awsdns-51.com. 9966 IN A 205.251.193.154 >> ns-769.awsdns-32.net. 13639 IN A 205.251.195.1 >> ns-1074.awsdns-06.org. 11459 IN A 205.251.196.50 >> ns-1756.awsdns-27.co.uk. 11489 IN A 205.251.198.220 >> >> ;; Query time: 21 msec >> ;; SERVER: 192.231.203.3#53(192.231.203.3) >> ;; WHEN: Thu Mar 3 17:03:04 2016 >> ;; MSG SIZE rcvd: 246 >> >> real 0m0.026s >> user 0m0.004s >> sys 0m0.001s >> >> >>> On 3 Mar 2016, at 4:55 PM, Eliezer Croitoru <eliezer@xxxxxxxxxxxx> wrote: >>> >>> Hey Dan, >>> >>> What dig+nslookup queries did you tested for? >>> >>> Eliezer >>> >>> On 03/03/2016 07:39, Dan Charlesworth wrote: >>>> Right now we have 1 squid box (out of a lot), running 3.5.13, which does something like this for every request, taking about 10 seconds: >>>> >>>> 2016/03/03 16:30:48.883 kid1| 78,3| dns_internal.cc(1794) idnsPTRLookup: idnsPTRLookup: buf is 43 bytes for 10.100.128.1, id = 0x733a >>>> 2016/03/03 16:30:48.883 kid1| 78,3| dns_internal.cc(1745) idnsALookup: idnsALookup: buf is 29 bytes for httpbin.org, id = 0x8528 >>>> 2016/03/03 16:30:48.883 kid1| 78,3| dns_internal.cc(1683) idnsSendSlaveAAAAQuery: buf is 29 bytes for httpbin.org, id = 0x69c2 >>>> 2016/03/03 16:30:48.884 kid1| 78,3| dns_internal.cc(1277) idnsRead: idnsRead: starting with FD 7 >>>> 2016/03/03 16:30:48.884 kid1| 78,3| dns_internal.cc(1323) idnsRead: idnsRead: FD 7: received 93 bytes from 192.231.203.132:53 >>>> 2016/03/03 16:30:48.884 kid1| 78,3| dns_internal.cc(1130) idnsGrokReply: idnsGrokReply: QID 0x733a, -3 answers >>>> 2016/03/03 16:30:48.884 kid1| 78,3| dns_internal.cc(1195) idnsGrokReply: idnsGrokReply: error Name Error: The domain name does not exist. (3) >>>> 2016/03/03 16:30:53.884 kid1| 78,3| dns_internal.cc(1384) idnsCheckQueue: idnsCheckQueue: ID dns8 QID 0x8528: timeout >>>> 2016/03/03 16:30:53.884 kid1| 78,3| dns_internal.cc(1384) idnsCheckQueue: idnsCheckQueue: ID dns0 QID 0x69c2: timeout >>>> 2016/03/03 16:30:53.885 kid1| 78,3| dns_internal.cc(1277) idnsRead: idnsRead: starting with FD 7 >>>> 2016/03/03 16:30:53.885 kid1| 78,3| dns_internal.cc(1323) idnsRead: idnsRead: FD 7: received 110 bytes from 172.16.100.4:53 >>>> 2016/03/03 16:30:53.885 kid1| 78,3| dns_internal.cc(1130) idnsGrokReply: idnsGrokReply: QID 0x69c2, 0 answers >>>> 2016/03/03 16:30:58.885 kid1| 78,3| dns_internal.cc(1384) idnsCheckQueue: idnsCheckQueue: ID dns8 QID 0x8528: timeout >>>> 2016/03/03 16:30:58.886 kid1| 78,3| dns_internal.cc(1277) idnsRead: idnsRead: starting with FD 7 >>>> 2016/03/03 16:30:58.886 kid1| 78,3| dns_internal.cc(1323) idnsRead: idnsRead: FD 7: received 246 bytes from 172.16.100.5:53 >>>> 2016/03/03 16:30:58.886 kid1| 78,3| dns_internal.cc(1130) idnsGrokReply: idnsGrokReply: QID 0x8528, 1 answers >>>> >>>> AND YET, every nslookup or dig done at the command line on the same server is lightning fast. I’ve tried local and ISP-level DNS servers and get the same result. >>>> >>>> What could be going on here? >>>> >>> >>> _______________________________________________ >>> squid-users mailing list >>> squid-users@xxxxxxxxxxxxxxxxxxxxx >>> http://lists.squid-cache.org/listinfo/squid-users >> >> _______________________________________________ >> squid-users mailing list >> squid-users@xxxxxxxxxxxxxxxxxxxxx >> http://lists.squid-cache.org/listinfo/squid-users >> > > _______________________________________________ > squid-users mailing list > squid-users@xxxxxxxxxxxxxxxxxxxxx > http://lists.squid-cache.org/listinfo/squid-users _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users
