#!/bin/bash

yum -y install bind 　（安装DNS服务，如果没有yum源，可以使用rpm安装）　　　　 yum -y install caching-nameserver read -p "Please input your domainname:" DOMAIN

read -p "Please input your network:" NETWORK

read -p  "Please input your IP address:" IP

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 "$NETWORK.in-addr.arpa" IN {

        type master;         file "$NETWORK.zone"; }; EOF                   echo "OK,/etc/named.conf is created!!! "

cat >> /var/named/$DOMAIN.zone << EOF

\$TTL 86400 \$ORIGIN $DOMAIN. @       IN      SOA     $DOMAIN.        root.$DOMAIN.   (                                         `date +%Y%m%d`01                                         5H                                         10M                                         7D                                         1D   )            IN      NS      ns            IN      MX 10   mail ns        IN      A       $IP mail     IN      A       $IP www   IN      A       $IP EOF

END=`echo $IP |cut -d"." -f4`                

cat >> /var/named/$NETWORK.zone << EOF \$TTL 86400 @       IN      SOA     $DOMAIN.        root.$DOMAIN.   (                                         `date +%Y%m%d`01                                         5H                                         10M                                         7D                                         1D   )              IN           NS          ns.$DOMAIN. $END   IN      PTR     ns.$DOMAIN. $END   IN      PTR     mail.$DOMAIN. $END   IN      PTR     . EOF

chown :named  /etc/named.conf /var/named/$DOMAIN.zone /var/named/$NETWORK.zone

echo "Ok,/var/named/$DOMAIN.zone , /var/named/$NETWORK.zone are created!!!"

echo "Good,the job is finished!!!"