Internal DNS resolution look up fails
Barry Margolin
barmar at alum.mit.edu
Tue Jan 1 07:16:25 UTC 2008
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.
--
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***
*** PLEASE don't copy me on replies, I'll read them in the group ***
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