DNS 服务器
配置文件
vim /etc/named.conf
options {
// listen-on port 53 { 127.0.0.1; };
// allow-query { localhost; };
}
vim /etc/named.rfc1912.zones
zone "43.168.192.in-addr.arpa" IN {
type master;
file "43.168.192.zone";
};
区域数据库文件
vim /var/named/43.168.192.zone
$TTL 1D
@ IN SOA master.study.com. admin.study.com. (
0 ; serial
1D ; refresh
1H ; retry
1W ; expire
3H ) ; minimum
NS master.study.com.
master.study.com. A 192.168.43.7
17 PTR www.study.com.
200 PTR ftp.study.com.
100 PTR mysql.study.com.
DNS 客户端
本机充当客户端进行测试
dig -x 192.168.43.17 @127.0.0.1
dig -t ptr 17.43.168.192.in-addr.arpa @127.0.0.1