環境：CentOS7 VPS
１．インストール
[root@sun ~]# yum install bind-utils
Loaded plugins: fastestmirror
２．Network 設定の変更
vi /etc/sysconfig/network-scripts/ifcfg-eth0
TYPE=Ethernet
BOOTPROTO=none
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
NAME=eth0
ONBOOT=yes
IPADDR=140.227.63.152
HWADDR=52:54:00:C3:02:8A
PREFIX=24
DNS1=140.227.63.152 #サーバー自身のアドレス
DNS2=202.229.78.37
GATEWAY=140.227.63.1-eth0
PROXY_METHOD=none
BROWSER_ONLY=no
IPV6INIT=no
UUID=5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03
PEERDNS=yes #文の最後に一行を追記
３．Restart Network
systemctl restart network.service
４．Firewallの設定
[root@sun ~]# firewall-cmd –add-service dns
[root@sun ~]# firewall-cmd –add-service dns –permanent ＜＝再起動後も有効