MadUnix:
How is you system suspose to know who linux1 belongs
to? You have to do a dig or nslookup on linux1.my.lan and not just linux1.
Or maybe I'm missing something here.
Ezra
On Nov 17, 2007 8:10 AM, Mad Unix <madunix@xxxxxxxxx> wrote:
> Hi linuxers
>
> I am setting up a DNS/BIND for my local office 100 users for resolving
> internal (nonroutable) and external names (internet)
> for internet usage it works fine but for internal one it shows problems
> am not using real name i called only my.lan
> my DNS server 10.5.1.30 hostname: linux1.my.lan
> my clients having 10.6.x.0/24
> my servers having 10.5.0.0/16
>
> can any one tell me what am doing wrong?
>
> root@linuxvmware:~# cat /etc/resolv.conf
> nameserver 10.5.1.30
> domain my.lan
> search my.lan
>
>
>
>
>
>
> root@linuxvmware:~# nslookup redhat.com
> Server: 10.5.1.30
> Address: 10.5.1.30#53
>
> Non-authoritative answer:
> Name: redhat.com
> Address: 209.132.177.50
>
> root@linuxvmware:~# dig redhat.com
>
> ; <<>> DiG 9.4.1-P1 <<>> redhat.com
> ;; global options: printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 41276
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 1
>
> ;; QUESTION SECTION:
> ;redhat.com. IN A
>
> ;; ANSWER SECTION:
> redhat.com. 49 IN A 209.132.177.50
>
> ;; AUTHORITY SECTION:
> redhat.com. 370 IN NS ns1.redhat.com.
> redhat.com. 370 IN NS ns2.redhat.com.
> redhat.com. 370 IN NS ns3.redhat.com.
>
> ;; ADDITIONAL SECTION:
> ns3.redhat.com. 90304 IN A 66.187.229.10
>
> ;; Query time: 11 msec
> ;; SERVER: 10.5.1.30#53(10.5.1.30)
> ;; WHEN: Sun Nov 4 20:58:54 2007
> ;; MSG SIZE rcvd: 114
>
>
>
> root@linuxvmware:~# dig linux1
>
> ; <<>> DiG 9.4.1-P1 <<>> linux1
> ;; global options: printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 2535
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;linux1. IN A
>
> ;; AUTHORITY SECTION:
> . 5874 IN SOA A.ROOT-SERVERS.NET.
> NSTLD.VERISIGN-GRS.COM. 2007111601 1800 900 604800 86400
>
> ;; Query time: 2 msec
> ;; SERVER: 10.5.1.30#53(10.5.1.30)
> ;; WHEN: Sun Nov 4 20:59:23 2007
> ;; MSG SIZE rcvd: 99
>
>
>
> root@linuxvmware:~# nslookup linux1
> Server: 10.5.1.30
> Address: 10.5.1.30#53
>
> ** server can't find linux1: NXDOMAIN
>
> root@linuxvmware:~#
>
>
>
>
>
>
>
> /etc/named.caching-nameserver.conf
>
>
> //
> // named.caching-nameserver.conf
> //
> // Provided by Red Hat caching-nameserver package to configure the
> // ISC BIND named(8) DNS server as a caching only nameserver
> // (as a localhost DNS resolver only).
> //
> // See /usr/share/doc/bind*/sample/ for example named configuration files.
> //
> // DO NOT EDIT THIS FILE - use system-config-bind or an editor
> // to create named.conf - edits to this file will be lost on
> // caching-nameserver package upgrade.
> //
>
> acl my-lan { 10.5.0.0/16; 10.6.40.0/24; 127.0/8; };
>
> options {
> forwarders { X.X.X.X; Y.Y.Y.Y; }; #IP of upstream ISP nameserver(s)
> forward only; #rely completely on our upstream nameservers
> listen-on port 53 { 127.0.0.1; 10.5.1.30;};
> listen-on { 10.5.1.30; };
> listen-on-v6 port 53 { ::1; };
> directory "/var/named";
> dump-file "/var/named/data/cache_dump.db";
> statistics-file "/var/named/data/named_stats.txt";
> memstatistics-file "/var/named/data/named_mem_stats.txt";
> query-source port 53;
> query-source-v6 port 53;
> allow-query { localhost; my-lan; };
> };
> logging {
> channel default_debug {
> file "data/named.run";
> severity dynamic;
> };
> };
>
> zone "." {
> type hint;
> file "named.root";
> };
>
>
> # Forward Zone for my.lan domain
> zone "my.lan" IN {
> type master;
> file "my.lan.zone";
> allow-query { localhost; my-lan; };
> };
>
> # Reverse Zone for my.lan domain
> zone "0.10.in-addr.arpa" IN {
> type master;
> // file "10.0.zone";
> file "10.in-addr.arpa";
> //file "0.10.in-addr.arpa";
> allow-query { localhost; my-lan; };
> };
>
>
> view localhost_resolver {
> match-clients { localhost; 10.5.0.0/16; 10.6.40.0/24; 127.0/8;
> };
> match-destinations { localhost; };
> recursion yes;
> include "/etc/named.rfc1912.zones";
> };
> ~
>
>
>
> ------------------------------
> my.lan.zone
>
> $TTL 12h
>
> @ IN SOA linux1.my.lan. pons.my.lan. (
> 2007052500 ; Serial
> 10800 ; Refresh
> 3600 ; Retry
> 604800 ; Expire
> 86400 ) ; Minimum
> ; Name servers
> IN NS linux1.my.lan.
> ; Mail servers
> IN MX 5 linux1.my.lan.
> ; Individual servers
> linux1 IN A 10.5.1.30
> linuxvmware IN A 10.6.40.81
> mailhost IN CNAME linux1
> www IN CNAME linux1
>
>
> ----------------------------------
>
>
> 10.in-addr.arpa
>
> $TTL 24h
> ; 10.0.rev
> @ IN SOA linux1.my.lan pons.my.lan. (
> 2007052500
> 10800
> 3600
> 604800
> 86400 )
>
> IN NS linux1.my.lan.
>
> 10 IN PTR linux1.my.lan.
> 1 IN PTR linuxvmware.my.lan.
>
>
>
>
>
>
>
>
> --
> madunix
> --
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>
--
Ezra Taylor
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