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Old 05-05-2010, 09:42 PM   #1
belalju
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Registered: May 2010
Posts: 1

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DNS Server Problem in Centos


When i enter ip or address nslookup does not reply any answer. It shows no server found. "servfail".........


This is my named.conf file:
//
// named.conf for Red Hat caching-nameserver
//

options {
directory "/var/named";
dump-file "/var/named/data/cache_dump.db";
statistics-file "/var/named/data/named_stats.txt";
/*
* If there is a firewall between you and nameservers you want
* to talk to, you might need to uncomment the query-source
* directive below. Previous versions of BIND always asked
* questions using port 53, but BIND 8.1 uses an unprivileged
* port by default.
*/
query-source address * port 53;
};

//
// a caching only nameserver config
//
controls {
inet 127.0.0.1 allow { localhost; } keys { rndckey; };
};

zone "." IN {
type hint;
file "named.ca";
};

zone "bbit.org" IN {
type master;
file "bbit.org.for";
allow-update { none; };
};

zone "168.192.in-addr.arpa" IN {
type master;
file "bbit.org.rev";
allow-update { none; };
};

zone "0.0.127.in-addr.arpa" IN {
type master;
file "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 "named.ip6.local";
allow-update { none; };
};

zone "255.in-addr.arpa" IN {
type master;
file "named.broadcast";
allow-update { none; };
};

zone "0.in-addr.arpa" IN {
type master;
file "named.zero";
allow-update { none; };
};

include "/etc/rndc.key";


This is my forward file:
$TTL 86400
@ 1D IN SOA belal.bbit.org. root.bbit.org. (
111208 ; serial
28800 ; refresh (8 hours)
14400 ; retry (4 hours)
3600000 ; expire (5 weeks 6 days 16 hours)
86400 ; minimum (1 day)
)
1D IN NS belal.bbit.org.
1D IN A 192.168.0.1

belal IN A 192.168.0.1

This is my reverse file:
$TTL 86400
@ IN SOA belal.bbit.org. root.bbit.org. (
310808 ; serial
28800 ; refresh (8 hours)
14400 ; retry (4 hours)
3600000 ; expire (5 weeks 6 days 16 hours)
86400 ; minimum (1 day)
)
IN NS belal.bbit.org.

1 IN PTR belal.bbit.org.
 
Old 05-06-2010, 02:16 AM   #2
amonamarth
Member
 
Registered: Dec 2009
Location: Los Angeles
Distribution: Fedora ,CentOS, RHEL
Posts: 59

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Not even querying your own local IP?

Say what happens if you do this:

$ host 192.168.0.1
 
Old 05-06-2010, 09:25 AM   #3
geovg
Member
 
Registered: Mar 2010
Posts: 40

Rep: Reputation: 1
do you have correct hosts file entry?
 
Old 05-06-2010, 01:10 PM   #4
bathory
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Registered: Jun 2004
Location: Piraeus
Distribution: Slackware
Posts: 10,962

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Hi,

You should check /etc/resolv.conf to see if you have the correct nameserver defined:
Code:
nameserver 192.168.0.1
 
  


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