From: ngajan@charlestoncounty.org
Date: Wed Sep 20 2006 - 15:27:38 EDT
Hi Gurus,
The Ineternet Service providers DNS Server (Bellsouth) IP Address has changed.
We need to reflect the same in our DNS Servers.
The old DNS Servers IP Address is present in the following files,
1. /etc/named.conf
2. /etc/hosts.allow
The old DNS Servers hostname is present in the following files,
3. /var/named/db.127.0.0
4. /var/named/<domainname>/<Zone Files>
Appreciate if someone could clarify,
1. Reflecting changes in the files listed above good enough? or there are some
files that need to be updated?
2. Neither '/etc/hosts' nor '/var/named/<domainname>/<Zone Files>' file's
contain name resolution for ISP's DNS server. I am not sure, from where the
resolution is happening.
Advance thanks,
NG
1. /etc/named.conf
options {
directory "/var/named";
allow-transfer {Internal Secondary DNS Servers IP; External ISP's
Primary DNS's Server IP Address ; External ISP's Secondary DNS's Server IP
Address; };
recursion yes;
notify yes;
provide-ixfr yes;
version "surely you must be joking";
};
2. /etc/hosts.allow
named: External ISP's Primary DNS's Server IP Address, External ISP's
Secondary DNS's Server IP Address
in.named: External ISP's Primary DNS's Server IP Address, External ISP's
Secondary DNS's Server IP Address
*-------------------------------------------------------------
3. /var/named/db.127.0.0
@ IN SOA ns.chas.net. root.chas.net. ( 1 10800 3600 1209600 3600 )
IN NS ns.chas.net.
IN NS NS2.CL.BELLSOUTH.NET. (ISP's Primary DNS Server)
IN NS NS3.CL.BELLSOUTH.NET.(ISP's Secondary DNS Server)
IN NS ns2.charlestoncounty.org.
1.0.0.127.IN-ADDR.ARPA. IN PTR localhost.
*--------------------------------------------------------------
4. /var/named/<domainname>/<Zone Files>
$TTL 7200
@ IN SOA ns.chas.net. root.chas.net ( 2006072702 10800 3600 1209600
3600 )
IN NS ns.chas.net.
IN NS ns2.chas.net.
IN NS NS2.CL.BELLSOUTH.NET. (ISP's Primary DNS Server)
IN NS NS3.CL.BELLSOUTH.NET. (ISP's Secondary DNS Server)
*-----------------------------------------------------------------
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