Reverse DNS on a /25 called 127-1?
Barry Margolin
barmar at genuity.net
Thu Apr 18 18:27:36 UTC 2002
In article <a9n04u$mm4 at pub3.rc.vix.com>,
Yann Sommer <dump at soultwins.com> wrote:
>18-Apr-2002 17:19:37.675 queries:
>XX+/66.221.101.10/1.101.221.66.in-addr.arpa/PTR/IN
>18-Apr-2002 17:19:37.678 lame-servers: Lame server on
>'1.101.221.66.in-addr.arpa' (in '101.221.66.IN-ADDR.ARPA'?):
>[216.221.162.81].53 'NS.CIHOST.COM'
>18-Apr-2002 17:19:37.688 lame-servers: Lame server on
>'1.101.221.66.in-addr.arpa' (in '101.221.66.IN-ADDR.ARPA'?):
>[216.221.162.111].53 'NS2.CIHOST.COM'
>*** localhost.soultwins.com can't find 66.221.101.1: Server failed
>18-Apr-2002 17:20:15.253 default: ns_forw:
>query(1.101.221.66.in-addr.arpa) All possible A RR's lame
>
>I tried numerous different ways, including calling the zone
>0/25.101.221.66.in-addr.arpa which yielded the same results. Only if I
>would call the zone 101.221.66.in-addr.arpa (and thus claiming the whole
>/24 as mine), reverse DNS would locally resolve, but not populate across
>the internet.
>
>What am I missing, or any ideas as to what I've been doing wrong?
You're not doing anything wrong. The problem is with your ISP. They're
supposed to be authoritative for 101.221.66.in-addr.arpa, but they're not:
% dig -x 66.221.101 any @ns.cihost.com +norec
; <<>> DiG 8.3 <<>> -x any @ns.cihost.com +norec
; (1 server found)
;; res options: init defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33964
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2
;; QUERY SECTION:
;; 101.221.66.in-addr.arpa, type = ANY, class = IN
;; AUTHORITY SECTION:
101.221.66.in-addr.arpa. 15h34m7s IN NS NS.CIHOST.COM.
101.221.66.in-addr.arpa. 15h34m7s IN NS NS2.CIHOST.COM.
;; ADDITIONAL SECTION:
NS.CIHOST.COM. 8H IN A 216.221.162.81
NS2.CIHOST.COM. 8H IN A 216.221.162.111
;; Total query time: 55 msec
;; FROM: tools.genuity.com to SERVER: ns.cihost.com 216.221.162.81
;; WHEN: Thu Apr 18 14:26:26 2002
;; MSG SIZE sent: 41 rcvd: 118
--
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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