Trouble with reverse DNS
Alan Clegg
Alan_Clegg at isc.org
Sat Dec 15 04:17:02 UTC 2007
Thomas Schulz wrote:
> We are switching internet service providers and are having trouble
> getting the reverse DNS set up correctly. Our new provider,
> TDS Metrocom, claims to have set up their end correctly. I believe
> that I have set up my end correctly. Could someone who knows what
> they are doing take a look? The address are 75.100.245.130 through
> 75.100.245.157. I have our server, bluegill.adi.com, serving up
> zone 130-157.245.100.75.in-addr.arpa. I believe I have it set up
> correctly. I would appreciate any help.
Looks like TDS forgot a "." in the delegation:
[root at fatb ~]# dig @NS.TDS.NET. 130-157.245.100.75.in-addr.arpa. ns
; <<>> DiG 9.4.2 <<>> @NS.TDS.NET. 130-157.245.100.75.in-addr.arpa. ns
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 58735
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 0
;; WARNING: recursion requested but not available
;; QUESTION SECTION:
;130-157.245.100.75.in-addr.arpa. IN NS
;; AUTHORITY SECTION:
130-157.245.100.75.in-addr.arpa. 43200 IN NS
seahorse.adi.com.245.100.75.in-addr.arpa.
130-157.245.100.75.in-addr.arpa. 43200 IN NS
bluegill.adi.com.245.100.75.in-addr.arpa.
I'm thinking that those NS records should be:
130-157.245.100.75.in-addr.arpa. 43200 IN NS seahorse.adi.com.
130-157.245.100.75.in-addr.arpa. 43200 IN NS bluegill.adi.com.
AlanC
--
Alan Clegg
ISC Training and Support
+1-650-423-1357 (o) +1-919-271-8851 (m)
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