Reverse DNS Woes
Kevin Darcy
kcd at daimlerchrysler.com
Mon Feb 3 17:24:00 UTC 2003
Resolves fine from my servers and via menandmice.com's DiG utility.
Looks like host.expresshost.net and/or the other nameservers you tried
were having a transient problem at the time you queried them.
- Kevin
Grant Peel wrote:
>Hi all,
>
>I am having a heck of a time understanding what the problem is here....
>
>I currently have 3 servers colocated with peer1.net
>I am using 1 IP for each serrver.
>Peer 1 assures me the IPs have been delegated to my nameserver
>NS: ns1.thenetnow.com
>IPs: 65.39.193.152 , 153 , 154.
>
>I have set up the named.conf:
>
>
>options {
> directory "/etc/namedb";
> allow-transfer { none; };
> allow-query { any; };
>};
>....
>
>zone "193.39.65.IN-ADDR.ARPA" {
> type master;
> allow-query {any;};
> file "masters/thenetnow.rev";
>};
>
>
>I have the .rev file (in masters):
>
>
>$TTL 1800;
>@ IN SOA 193.39.65.IN-ADDR.ARPA. webmaster.thenetnow.com. (
> 2003020102 ;Serial
> 28800 ;Refresh
> 14400 ;Retry
> 604800 ;Expire
> 1800 ) ;Minimum
> IN NS ns1.thenetnow.com.
>152 IN PTR enterprise.thenetnow.com.
>154 IN PTR excelsior.thenetnow.com.
>enterprise.thenetnow.com. IN A 65.39.193.152
>excelsior.thenetnow.com. IN A 65.39.193.154
>
>WHen I do dig -x on the machine I get:
>
>enterprise# dig -x 65.39.193.152
>
>; <<>> DiG 9.2.1 <<>> -x 65.39.193.152
>;; global options: printcmd
>;; Got answer:
>;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 31778
>;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1
>
>;; QUESTION SECTION:
>;152.193.39.65.in-addr.arpa. IN PTR
>
>;; ANSWER SECTION:
>152.193.39.65.in-addr.arpa. 1800 IN PTR enterprise.thenetnow.com.
>
>;; AUTHORITY SECTION:
>193.39.65.in-addr.arpa. 1800 IN NS ns1.thenetnow.com.
>
>;; ADDITIONAL SECTION:
>ns1.thenetnow.com. 1800 IN A 65.39.193.152
>
>;; Query time: 1 msec
>;; SERVER: 127.0.0.1#53(127.0.0.1)
>;; WHEN: Sat Feb 1 10:19:51 2003
>;; MSG SIZE rcvd: 116
>
>enterprise#
>
>But when I do the dig on any other non local machine:
>
>host.expresshost.net >dig -x 65.39.193.152
>
>; <<>> DiG 8.2 <<>> -x
>;; res options: init recurs defnam dnsrch
>;; got answer:
>;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 4
>;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
>;; QUERY SECTION:
>;; 152.193.39.65.in-addr.arpa, type = ANY, class = IN
>
>;; Total query time: 1 msec
>;; FROM: host.expresshost.net to SERVER: default -- 64.176.60.218
>;; WHEN: Sat Feb 1 10:20:55 2003
>;; MSG SIZE sent: 44 rcvd: 44
>
>host.expresshost.net >
>
>I have a few things on the box that won't work without reverse mapping
>working, any ideas what the problem is?
>
>-Grant
>
>Grant W. Peel
>Server Admin
>grant at thenetnow.com
>http://thenetnow.com
>
>
>
>
>
>
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