Problem to resolv "www.anpe.fr"
Mark Andrews
Mark_Andrews at isc.org
Tue Aug 30 22:34:08 UTC 2005
> Hi alls,
>
> I use bind 9.x and I have a problem to resolv this : www.anpe.fr
> I can resolv all fqdn but I don't understand why not www.anpe.fr.
> Do you an idea ?
>
> Thank
Because www.anpe.fr (www.lc.anpe.fr) is being server by a
load balancer that is not compliant with the base DNS
specfication. It doesn't reply to AAAA queries. While it
responds to EDNS requests it is obviously not talking EDNS
properly (the UDP buffer size is just being copied from the
request).
Bcc'd dns-admin at sitadelle.com (can't get contacts out of
whois at the moment).
Mark
% dig9 www.lc.anpe.fr +norec @bigip.anpe.fr. +bufsize=512
; <<>> DiG 9.3.2b1 <<>> www.lc.anpe.fr +norec @bigip.anpe.fr. +bufsize=512
; (2 servers found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 43490
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;www.lc.anpe.fr. IN A
;; ANSWER SECTION:
www.lc.anpe.fr. 30 IN A 80.118.163.1
;; Query time: 342 msec
;; SERVER: 80.118.163.250#53(80.118.163.250)
;; WHEN: Wed Aug 31 08:23:12 2005
;; MSG SIZE rcvd: 59
% dig9 www.lc.anpe.fr +norec @bigip.anpe.fr. +bufsize=512 aaaa
; <<>> DiG 9.3.2b1 <<>> www.lc.anpe.fr +norec @bigip.anpe.fr. +bufsize=512 aaaa
; (2 servers found)
;; global options: printcmd
;; connection timed out; no servers could be reached
% dig9 www.lc.anpe.fr +norec @80.118.163.250 +bufsize=512 aaaa
; <<>> DiG 9.3.2b1 <<>> www.lc.anpe.fr +norec @80.118.163.250 +bufsize=512 aaaa
; (1 server found)
;; global options: printcmd
;; connection timed out; no servers could be reached
% dig9 www.lc.anpe.fr +norec @80.118.163.250 +bufsize=512
; <<>> DiG 9.3.2b1 <<>> www.lc.anpe.fr +norec @80.118.163.250 +bufsize=512
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 53621
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;www.lc.anpe.fr. IN A
;; ANSWER SECTION:
www.lc.anpe.fr. 30 IN A 80.124.143.1
;; Query time: 343 msec
;; SERVER: 80.118.163.250#53(80.118.163.250)
;; WHEN: Wed Aug 31 08:24:42 2005
;; MSG SIZE rcvd: 59
%
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews at isc.org
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