configure-dns-server.sh

#!/bin/bash

domain=$1

if [ ! "$domain" ]; then

	domain=acedemo.us
fi

echo "installing bind"
yum install -y bind bind-utils

echo "enabling service"
chkconfig named on

echo "configuring named service"
cat <<EOF > /etc/named.conf
//
// named.conf
//
// Provided by Red Hat bind 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.
//

options {
	listen-on port 53 { 127.0.0.1; 11.0.0.3; };
	#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";
	allow-query     { localhost; 192.168.1.0/24; };
	recursion yes;

	dnssec-enable yes;
	dnssec-validation yes;
	dnssec-lookaside auto;

	/* Path to ISC DLV key */
	bindkeys-file "/etc/named.iscdlv.key";

	managed-keys-directory "/var/named/dynamic";
	forwarders { 8.8.8.8; };
};

logging {
        channel default_debug {
                file "data/named.run";
                severity dynamic;
        };
};

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

zone "${domain}" IN {                # FORWARD Zone file and configuration
        type master;
        file "fwd.${domain}";
        allow-update { none; };
};


zone "1.168.192.in-addr.arpa" IN {     # REVERSE Zone file and configuration
        type master;
        file "rev.${domain}";
        allow-update { none; };
};

include "/etc/named.rfc1912.zones";
include "/etc/named.root.key";

EOF

echo "configuring $domain forward lookup"
cat <<EOF > /var/named/fwd.${domain}
\$TTL 86400
@   IN  SOA     foo1.${domain}. root.${domain}. (
        2011071001  ;Serial
        3600        ;Refresh
        1800        ;Retry
        604800      ;Expire
        86400       ;Minimum TTL
)
@    IN  NS       ns1.${domain}.
ns1     IN  A    192.168.1.11
auth    IN  A    192.168.1.11
compute1    IN  A    192.168.1.5
EOF


echo "configuring $domain reverse lookup"
cat <<EOF > /var/named/rev.${domain}
\$TTL 86400
@   IN  SOA     foo1.${domain}. root.${domain}. (
        2011071001  ;Serial
        3600        ;Refresh
        1800        ;Retry
        604800      ;Expire
        86400       ;Minimum TTL
)
@    IN  NS       ns1.${domain}.
ns1     IN  A    192.168.1.11
auth    IN  A    192.168.1.11
compute1    IN  A    192.168.1.5
153     IN  PTR  auth.${domain}
7     IN  PTR  compute1.${domain}
EOF


service named restart