搭建DNS

修改配置文件

[root@localhost ~]# vi /etc/sysconfig/network-scripts/ifcfg-ens33 

重启网卡，查看

[root@localhost ~]# systemctl restart network
[root@localhost ~]# ifconfig

安装bind bind-chroot

[root@localhost ~]# yum -y install bind bind-chroot

更改配置文件

[root@localhost ~]# vim /etc/named.conf

[root@localhost ~]# vim /etc/named.rfc1912.zones

[root@localhost ~]# cd /var/named/
[root@localhost named]# cp -p named.localhost zx.com.zone
[root@localhost named]# cp -p named.localhost 192.168.2.zone
[root@localhost named]# vim zx.com.zone 
[root@localhost named]# vim 192.168.2.zone 

检测

[root@localhost named]# named-checkzone zx.com.zone 192.168.2.zone

关闭防火墙，降低沙盒等级，启动服务

[root@localhost named]# systemctl restart named
[root@localhost named]# systemctl stop firewalld
[root@localhost named]# setenforce 0

安装bind-utils

[root@localhost named]# yum -y install bind-utils

测试正反向解析

[root@localhost named]# nslookup www.zx.com
[root@localhost named]# nslookup 192.168.2.33