利用脚本创建DNS服务器

#!/bin/bash
#
yum install bind -y
yum install caching-nameserver -y
echo "Please input your domain:"
read DOMAIN
echo "Please input your network,Usage:[0.168.192]:"
read NET
echo "Please input your IP:"
read IP
LAST=`echo $IP |cut -d"." -f4`
cat >> /etc/named.conf << EOF
options {
 directory "/var/named";
};

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

zone "localhost" IN {
 type master;
 file "localhost.zone";
};

zone "0.0.127.in-addr.arpa" IN {
 type master;
 file "named.local";
};

zone "$DOMAIN" IN {
 type master;
 file "$DOMAIN.zone";
};

zone "$NET.in-addr.arpa" IN {
 type master;
 file "$NET.zone";
};
EOF

 

chown :named /etc/named.conf

 

echo "/etc/named.conf created successfully..."

cat >> /var/named/$DOMAIN.zone << EOF
\$TTL 86400
\$ORIGIN $DOMAIN.
@ IN SOA $DOMAIN. root.$DOMAIN. (
     `date +%Y%m%d`01
     1H
     10M
     1W
     1D )
 IN NS ns
 IN MX 10 mail
ns IN A $IP
mail IN A $IP
imap IN A $IP
EOF

 

cat >> /var/named/$NET.zone << EOF
\$TTL 86400
@ IN SOA $DOMAIN. root.$DOMAIN. (
     `date +%Y%m%d`01
     1H
     10M
     1W
     1D )
 IN NS ns.$DOMAIN.
 IN MX 10 mail.$DOMAIN.
$LAST IN PTR ns.$DOMAIN.
$LAST IN PTR mail.$DOMAIN.
$LAST IN PTR imap.$DOMAIN.
EOF

 

chown :named /var/named/$DOMAIN.zone /var/named/$NET.zone

echo "/var/named/$DOMAIN.zone , /var/named/$NET.zone created successfully..."