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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