配置dns主从服务器

配置dns主从服务器，解析qq.com域下的所有主机,www.qq.com aaa.qq.com bbb.qq.com…

主服务器
IP 192.168.108.143
①安装服务,关闭防火墙与SELinux

[[email protected] ~]# yum install bind -y
[[email protected] ~]# systemctl stop firewalld.service
[[email protected] ~]# setenforce 0

② 修改配置文件

[[email protected] ~]# vim /etc/named.conf

[[email protected] ~]# cp /var/named/named.localhost /var/named/named.qq.com
[[email protected] ~]# vim /var/named/named.qq.com

③在本机检查

[[email protected] ~]# vim /etc/resolv.conf            //修改IP与主机IP一致
                                //不一致用nslookup  会出现不权威答案

④重启服务

[[email protected] ~]# rndc reload
server reload successfu