Using dig to Look Up IP Address
Michael Kjorling
michael at kjorling.com
Fri Jun 29 22:36:24 UTC 2001
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It looks fine from my end (I used host to get the information just
before which is why the response was cached):
[michael at varg michael]$ dig -x 206.168.47.1
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 54058
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 2
;; QUESTION SECTION:
;1.47.168.206.in-addr.arpa. IN PTR
;; ANSWER SECTION:
1.47.168.206.in-addr.arpa. 604765 IN CNAME 1.moi.47.168.206.in-addr.arpa.
1.moi.47.168.206.in-addr.arpa. 86366 IN PTR mail.mediaodyssey.com.
;; AUTHORITY SECTION:
moi.47.168.206.in-addr.arpa. 86366 IN NS ns.clarkecomputer.com.
moi.47.168.206.in-addr.arpa. 86366 IN NS ns1.mediaodyssey.com.
;; ADDITIONAL SECTION:
ns.clarkecomputer.com. 172765 IN A 216.17.138.123
ns1.mediaodyssey.com. 172765 IN A 206.168.47.2
;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(0.0.0.0)
;; WHEN: Sat Jun 30 00:33:04 2001
;; MSG SIZE rcvd: 180
[michael at varg michael]$
Michael Kjörling
On Jun 29 2001 15:37 -0600, Jim wrote:
> Thanks everyone for the replies. For whatever reason, the two methods
> below don't seem to be equivalent, at least not for my own DNS. We've
> got a /25 with addresses 0 to 127 and our upstream provider has
> delegated the reverse lookups to our NAME servers. Only the
> "non-shortcut" method resolves the CNAME.
>
> Anything unusual or incorrect about our setup that would cause this?
>
> For example:
>
> C:\>dig -x 206.168.47.1
- --
Michael Kjörling - michael at kjorling.com - PGP: 8A70E33E
"We must be the change we wish to see" (Mahatma Gandhi)
^..^ Support the wolves in Norway -- go to ^..^
\/ http://home.no.net/ulvelist/protest_int.htm \/
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