Yum install bind –y ###安装bind
vim/etc/named.conf ###编辑named.conf文件
listen-on port 53{ any; }; ### 将{}内监听端口改成any
vim/etc/named.rfc1912.zones
cd /var/named/
cp -p named.localhost xiaolei.com
vim xiaolei.com
cp -pnamed.loopback fx.xiaolei.com
vim fx.xiaolei.com
setenforce 0 （更改selinux为允许模式）
systemctl stopfirewalld.service 关闭防火墙
systemctl startnamed 启动dns服务
nslookup 测试