Reverse DNS

Tim Maestas tmaestas at dnsconsultants.com
Wed Jan 2 00:50:20 UTC 2002



	The CNAME's in the parent zone 142.38.208.in-addr.arpa are
	incorrect:


; <<>> DiG 9.2.0 <<>> -x 208.38.142.5
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 15672
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;5.142.38.208.in-addr.arpa.	IN	PTR

;; ANSWER SECTION: 5.142.38.208.in-addr.arpa. 3552 IN CNAME
5.1-62.142.38.208.in-addr.arpa.dns.

;; AUTHORITY SECTION: .  10752 IN SOA A.ROOT-SERVERS.NET.
nstld.verisign-grs.com. 2002010101 1800 900 604800 86400

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Jan  1 16:47:40 2002
;; MSG SIZE  rcvd: 166

The parent zone has 5.142.38.208.in-addr.arpa. CNAME'd to
5.1-62.142.38.208.in-addr.arpa.dns.  It should be CNAME'd
to 5.1-62.142.38.208.in-addr.arpa.


-Tim

	


On Tue, 1 Jan 2002, Kevin Bockman wrote:

> 
> Hello, I'm having a small problem with BIND 8.2.5 getting reverse dns to work for the 1-62.142.38.208.in-addr.arpa block.
> In named.conf:
> zone "1-62.142.38.208.in-addr.arpa" {
>         type master;
>         file "reverse";
> };
> 
> I'm running ns1.neoninternet.com (208.38.142.5) and ns2.neoninternet.com (208.38.142.10) for this zone. hpdns1.hipower.net and hpdns2.hipower.net are the owners of the 208.38.142 block.
> 
> dig @hpdns1.hipower.net 1-62.142.38.208.in-addr.arpa any any correct shows
> 1-62.142.38.208.in-addr.arpa.  1D IN NS  ns1.neoninternet.com.
> 1-62.142.38.208.in-addr.arpa.  1D IN NS  ns2.neoninternet.com.
> 
> If do a dig @hpdns1.hipower.net 5.1-62.142.38.208.in-addr.arpa any any:
> 5.1-62.142.38.208.in-addr.arpa.  1D IN PTR  ss10.neoninternet.com.
> 
> That's correct, but if I do a nslookup 208.38.142.5 locally, it says no go on either ns1 or ns2.
> 
> Hmm, am I missing something here? hpdns1.hipower.net does query my ns and gets the correct PTR, but why doesn't it work locally?
> 
> Here's my reverse zone:
> @       IN SOA  ns2.neoninternet.com.       hostmaster.neoninternet.com.        (
>                                                 2002010103     ; Serial
>                                                 2H      ; Refresh
>                                                 1H      ; Retry
>                                                 1W ; Expire
>                                                 1D  )   ; Minimum
> 
>                 IN NS   ns1.neoninternet.com.
>                 IN NS   ns2.neoninternet.com.
> 5               IN PTR  ss10.neoninternet.com.
> 10              IN PTR  slurpee.neoninternet.com.
> 
> and my neoninternet zone:
> @       IN SOA  ns2.neoninternet.com.       hostmaster.neoninternet.com.        (
>                                                 2002010110      ; Serial
>                                                 2H      ; Refresh
>                                                 1H      ; Retry
>                                                 1W ; Expire
>                                                 1D  )   ; Minimum
> 
>                 IN NS  ns1.neoninternet.com.
>                 IN NS   ns2.neoninternet.com.
>                 IN MX 10 mail.neoninternet.com.
> 
> 
> localhost       IN A    127.0.0.1
> ss10            IN A    208.38.142.5
> ns1             IN A    208.38.142.5
> mail            IN A    208.38.142.10
> slurpee         IN A    208.38.142.10
> www             IN CNAME slurpee.neoninternet.com.
> ns2             IN A    208.38.142.10
> 
> Anyone have some suggestions? I've tried everything I could think of. Apparantly it is just a local config problem, since it is getting to my NS.
> 
> Thanks.
> 
> 
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