Issue with reverse dns and local caching name server

[Jason Crummack]

Thanks for the reply Noel i still don't understand why that would work 
on the external name server we have access to and not on our internal one?

$ dig @82.138.243.4 30.22.203.in-addr.arpa NS 

; <<>> DiG 9.3.2 <<>> @82.138.243.4 30.22.203.in-addr.arpa NS
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 16154
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;30.22.203.in-addr.arpa.                IN      NS

;; ANSWER SECTION:
30.22.203.in-addr.arpa. 38400   IN      NS      ns01.opensystems.com.au.
30.22.203.in-addr.arpa. 38400   IN      NS      ns02.opensystems.com.au.

;; Query time: 1332 msec
;; SERVER: 82.138.243.4#53(82.138.243.4)
;; WHEN: Wed Jun 10 11:18:05 2009
;; MSG SIZE  rcvd: 96

Also didn't understand the 'MyApnic' portion of you comment, the only 
name server i have access to here is our internal caching one?

Jason


Noel Butler wrote:

> Jason,
>
> Looks like a DNS delegation error,  login to your 'MyApnic' and make 
> sure everything is good.
>
> I can not get an external response here
> ~$ host 203.22.30.47
> Host 47.30.22.203.in-addr.arpa not found: 2(SERVFAIL
>
>
> ~$ dig 30.22.203.in-addr.arpa NS
>
> ; <<>> DiG 9.4.2-P2 <<>> 30.22.203.in-addr.arpa NS
> ;; global options:  printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 31292
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;30.22.203.in-addr.arpa. IN NS
>
> ;; Query time: 1 msec
>
>
>