DNS Problem, I think :)

[Mark_Andrews at isc.org]

> Hello All,
>     I have a strange DNS Problem...
> Doing an nslookup from anyplace on our network, reverse and forward work
> great...  When I do an nslookup on the IP from say ns.cw.net it comes up as
> :
> *** ns.cw.net can't find 208.148.251.33: Server failed
> But when I do an nslookup on the hostname it comes up fine... I would assume
> that would be telling me that reverse is working fine, but not forward ?  It
> works fine from machines connected to us, but not from other dns servers...
> How do I go about fixing this ?
> Jim G
> 
> 
> 

	Firstly you should not have a CNAME registered for a nameserver.
	Secondly tabbi.megalink.net is not running a nameserver.

	You need to get the nameservers for 251.148.208.in-addr.arpa
	properly delegated using their real names.

	Mark


; <<>> DiG 8.2 <<>> -x +norec @NS.CW.NET 
; (1 server found)
;; res options: init defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 31827
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUERY SECTION:
;;	33.251.148.208.in-addr.arpa, type = ANY, class = IN

;; AUTHORITY SECTION:
251.148.208.in-addr.arpa.  1H IN NS  oxford.megalink.net.

;; Total query time: 567 msec
;; FROM: bsdi.dv.isc.org to SERVER: NS.CW.NET  204.70.128.1
;; WHEN: Sat Oct 23 00:45:19 1999
;; MSG SIZE  sent: 45  rcvd: 102


; <<>> DiG 8.2 <<>> oxford.megalink.net 
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 4, ADDITIONAL: 4
;; QUERY SECTION:
;;	oxford.megalink.net, type = A, class = IN

;; ANSWER SECTION:
oxford.megalink.net.	23h53m29s IN CNAME  tabbi.megalink.net.
tabbi.megalink.net.	23h53m29s IN A	205.243.60.5

;; AUTHORITY SECTION:
megalink.net.		23h53m29s IN NS  ns1.megalink.net.
megalink.net.		23h53m29s IN NS  ns2.megalink.net.
megalink.net.		23h53m29s IN NS  ns2.sprintlink.net.
megalink.net.		23h53m29s IN NS  ns3.sprintlink.net.

;; ADDITIONAL SECTION:
ns1.megalink.net.	1d23h53m28s IN A  205.243.60.3
ns2.megalink.net.	1d23h53m28s IN A  205.243.60.2
ns2.sprintlink.net.	23h54m IN A	199.2.252.10
ns3.sprintlink.net.	23h53m56s IN A	204.97.212.10

;; Total query time: 1 msec
;; FROM: bsdi.dv.isc.org to SERVER: default -- 130.155.191.233
;; WHEN: Sat Oct 23 00:46:34 1999
;; MSG SIZE  sent: 37  rcvd: 232


; <<>> DiG 8.2 <<>> ns . @tabbi.megalink.net +vc 
; (1 server found)
;; res options: init usevc recurs defnam dnsrch
;; res_nsend to server tabbi.megalink.net  205.243.60.5: Connection refused

00:51:36.707800 tabbi.megalink.net > bsdi.dv.isc.org: icmp: tabbi.megalink.net udp port domain unreachable (DF)

--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org