Internal DNS resolution look up fails
Haim [Howard] Roman
roman at jct.ac.il
Tue Jan 1 08:01:19 UTC 2008
Or trying running the following commands to check your DNS files:
* named-checkconf
* named-checkzone
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Haim (Howard) Roman
Computer Center, Jerusalem College of Technology
roman at jct.ac.il
Phone: 052-8-592-599 (6022 from within Machon Lev)
-------- Original Message --------
Subject: Re:Internal DNS resolution look up fails
From: Barry Margolin <barmar at alum.mit.edu>
To: comp-protocols-dns-bind at isc.org
Date: Tue Jan 01 2008 09:16:25 GMT+0200 (IST)
> In article <flckoq$v1q$1 at sf1.isc.org>,
> Bit Twister <BitTwister at mouse-potato.com> wrote:
>
>
>> On Mon, 31 Dec 2007 16:37:46 +0000 (UTC), Bit Twister wrote:
>>
>>> First time DNS newbie here. After 11 hours of howto/documents/template
>>> reading and attempts, I still can not resolve my node's name or ip.
>>>
>> Fixed a few syntax problems, still fails
>>
>
> Check your log to see if named is complaining about something when it's
> trying to load the home.zone and home.reversed files.
>
>
>> $ nslookup $(hostname)
>> Server: 192.168.1.130
>> Address: 192.168.1.130#53
>>
>> ** server can't find wb.home.invalid: SERVFAIL
>>
>> Current configuration
>>
>> $ ll /etc|grep /var (snipped to fit screen)
>> lrwxrwxrwx 1 root root bogon_acl.conf ->
>> ../var/lib/named/etc/bogon_acl.conf
>> lrwxrwxrwx 1 root root hosts -> ../var/lib/named/etc/hosts
>> lrwxrwxrwx 1 root root named.conf -> ../var/lib/named/etc/named.conf
>> lrwxrwxrwx 1 root root rndc.conf -> ../var/lib/named/etc/rndc.conf
>> lrwxrwxrwx 1 root root rndc.key -> ../var/lib/named/etc/rndc.key
>> lrwxrwxrwx 1 root root trusted_networks_acl.conf ->
>> ../var/lib/named/etc/trusted_networks_acl.conf
>>
>>
>> # grep -v // /etc/named.conf
>>
>>
>> include "/etc/rndc.key";
>>
>> controls {
>> inet 127.0.0.1 port 953
>> allow { 127.0.0.1; } keys { mykey; };
>> };
>>
>> include "/etc/bogon_acl.conf";
>> include "/etc/trusted_networks_acl.conf";
>>
>> include "/etc/logging.conf";
>>
>> options {
>> version "";
>> directory "/var/named";
>> dump-file "/var/tmp/named_dump.db";
>> pid-file "/var/run/named.pid";
>> statistics-file "/var/tmp/named.stats";
>> zone-statistics yes;
>> coresize 100M;
>> auth-nxdomain yes;
>> query-source address * port *;
>> listen-on port 53 { any; };
>> cleaning-interval 120;
>> transfers-in 20;
>> transfers-per-ns 2;
>> lame-ttl 0;
>> max-ncache-ttl 10800;
>>
>> forwarders { 208.67.222.222; 208.67.220.220; };
>>
>>
>> notify no;
>>
>> transfer-format many-answers;
>>
>> max-transfer-time-in 60;
>>
>> interface-interval 0;
>>
>>
>> allow-recursion { trusted_networks; };
>>
>> blackhole { bogon; };
>> };
>>
>> zone "ac" { type delegation-only; };
>> zone "cc" { type delegation-only; };
>> zone "com" { type delegation-only; };
>> zone "cx" { type delegation-only; };
>> zone "lv" { type delegation-only; };
>> zone "museum" { type delegation-only; };
>> zone "net" { type delegation-only; };
>> zone "nu" { type delegation-only; };
>> zone "ph" { type delegation-only; };
>> zone "sh" { type delegation-only; };
>> zone "tm" { type delegation-only; };
>> zone "ws" { type delegation-only; };
>>
>> zone "." IN {
>> type hint;
>> file "named.ca";
>> };
>>
>> zone "localdomain" IN {
>> type master;
>> file "master/localdomain.zone";
>> allow-update { none; };
>> };
>>
>> zone "localhost" IN {
>> type master;
>> file "master/localhost.zone";
>> allow-update { none; };
>> };
>>
>> zone "0.0.127.in-addr.arpa" IN {
>> type master;
>> file "reverse/named.local";
>> allow-update { none; };
>> };
>>
>> zone "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa"
>> IN {
>> type master;
>> file "reverse/named.ip6.local";
>> allow-update { none; };
>> };
>>
>> zone "255.in-addr.arpa" IN {
>> type master;
>> file "reverse/named.broadcast";
>> allow-update { none; };
>> };
>>
>> zone "0.in-addr.arpa" IN {
>> type master;
>> file "reverse/named.zero";
>> allow-update { none; };
>> };
>>
>> zone "home.invalid" IN {
>> type master;
>> file "master/home.zone";
>> allow-update { none; };
>> };
>>
>> zone "1.168.192.in-addr.arpa" IN {
>> type master;
>> file "reverse/home.reversed";
>> allow-update { none; };
>> };
>>
>>
>> $ head -13 /var/lib/named/var/named/master/home.zone
>> $TTL 86400 ; 1 day
>> @ IN SOA home.invalid root (
>> 19 ; serial
>> 1D ; refresh
>> 6H ; retry
>> 1W ; expire
>> 1H ; minimum
>> )
>> IN NS home.invalid
>> fw IN A 192.168.1.11
>> wb1 IN A 192.168.1.12
>> wb IN A 192.168.1.130
>> beta IN A 192.168.1.131
>>
>>
>> $ head -14 /var/lib/named/var/named/reverse/home.reversed
>> $TTL 86400 ; 1 day
>> @ IN SOA home.invalid. (
>> 19 ; serial
>> 8H ; refresh
>> 4H ; retry
>> 1W ; expire
>> 1D ; minimum
>> )
>> IN NS wb.home.invalid.
>> IN PTR wb.home.invalid.
>> 11 IN PTR fw.home.invalid.
>> 12 IN PTR wb1.home.invalid.
>> 130 IN PTR wb.home.invalid.
>> 131 IN PTR beta.home.invalid.
>>
>
>
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