reverse resolution failing

Sten Carlsen stenc at s-carlsen.dk
Thu Feb 7 17:38:58 UTC 2013


It does not resolve from my IP, probably there is no reverse entry.


On 07/02/13 18:31, Jim Pazarena wrote:
> my named is 9.9.0
>
> while it can resolve "webmail.acrodex.com" ( 139.142.184.10 )
>
> it cannot reverse resolve 139.142.184.10
>
> (example follows).
> However, if I do a simply nslookup using goodle DNS.
> nslookup 139.142.184.10 8.8.8.8
> IT WORKS!
>
> Can anyone suggest where I may be going wrong with this?
> my "dig" response follows.
> Many thanks!
>
> Jim
>
> mail# dig -x 139.142.184.10
>
> ; <<>> DiG 9.9.0 <<>> -x 139.142.184.10
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 49017
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
>
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags:; udp: 4096
> ;; QUESTION SECTION:
> ;10.184.142.139.in-addr.arpa.   IN      PTR
>
> ;; Query time: 125 msec
> ;; SERVER: 207.34.147.93#53(207.34.147.93)
> ;; WHEN: Thu Feb  7 09:30:12 2013
> ;; MSG SIZE  rcvd: 56
>
> mail#
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-- 
Best regards

Sten Carlsen

No improvements come from shouting:

       "MALE BOVINE MANURE!!!" 

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