Problem with Classless IN-ADDR.ARPA delegation
Barry Margolin
barmar at genuity.net
Thu Jan 10 16:46:57 UTC 2002
In article <a1jkqb$cub at pub3.rc.vix.com>,
Guillaume Laurès <glaures at ebi-fr.com> wrote:
>
>le mer 09-01-2002 =E0 22:30, Mark Damrose a =E9crit :
>> You included the wrong snippet from named.conf, but aside from that I can=
>'t
>Yeah, sorry, here is the relevant snippet:
>
>zone "1-27.66.68.195.in-addr.arpa" {
> type master;
> file "195.68.66.1-27.rev";
> };
>
>
>
>> see anything wrong with your setup. When I query your server, I get the
>> answers I expect.
>
>How do you query it to get the information ? I'm curious about that.
% dig 1.1-27.66.68.195.in-addr.arpa ptr @srv-web.ebi-fr.com +norec
; <<>> DiG 8.3 <<>> 1.1-27.66.68.195.in-addr.arpa ptr @srv-web.ebi-fr.com +norec
; (1 server found)
;; res options: init defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 13927
;; flags: qr aa ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1
;; QUERY SECTION:
;; 1.1-27.66.68.195.in-addr.arpa, type = PTR, class = IN
;; ANSWER SECTION:
1.1-27.66.68.195.in-addr.arpa. 10M IN PTR travaux.pratique.fr.
;; AUTHORITY SECTION:
1-27.66.68.195.in-addr.arpa. 10M IN NS srv-web.ebi-fr.com.
;; ADDITIONAL SECTION:
srv-web.ebi-fr.com. 10M IN A 195.68.66.4
;; Total query time: 114 msec
;; FROM: tools.genuity.com to SERVER: srv-web.ebi-fr.com 195.68.66.4
;; WHEN: Wed Jan 9 15:00:55 2002
;; MSG SIZE sent: 47 rcvd: 128
>Again, how did you check to which dns my ISP's is delegating the
>classless reverse zone ?
% dig -x 195.68.66.1 ptr @moria.imaginet.fr +norec
; <<>> DiG 8.3 <<>> -x ptr @moria.imaginet.fr +norec
; (1 server found)
;; res options: init defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 61720
;; flags: qr ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0
;; QUERY SECTION:
;; 1.66.68.195.in-addr.arpa, type = PTR, class = IN
;; ANSWER SECTION:
1.66.68.195.in-addr.arpa. 10M IN CNAME 1.1-27.66.68.195.in-addr.arpa.
;; AUTHORITY SECTION:
1-27.66.68.195.in-addr.arpa. 10M IN NS www.ebi-fr.com.
;; Total query time: 109 msec
;; FROM: tools.genuity.com to SERVER: moria.imaginet.fr 194.51.83.1
;; WHEN: Wed Jan 9 15:01:50 2002
;; MSG SIZE sent: 42 rcvd: 91
RFC 2317 recommends that the servers for the parent domain also be slaves
for the child domain. That would probably help in your case.
--
Barry Margolin, barmar at genuity.net
Genuity, Woburn, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
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