yum  -y  install  bind  bind-utils

直接最下面新增IP段，寫反的即可

options {
        directory       "/var/named";
};
 
logging {
        channel default_debug {
                file "data/named.run";
                severity dynamic;
        };
};

#域名1
zone "jbjb.com" IN {
        type master;
 

        file "jbjb.com.zone";
};

#反向解析將網段寫反的即可
zone "8.168.192.in-addr.arpa" {
      type	 master;
      file	 "192.168.8.arpa";
};

切換到資料庫

cd /var/named/
cp named.loopback 192.168.8.arpa

編輯vim 192.168.8.arpa檔案反解析使用

$TTL 1D
8.168.192.in-addr.arpa.	IN SOA	ns1.jbjb.com.	 rname.
 
invalid. (
					0	; serial
					1D	; refresh
					1H	; retry
					1W	; expire
					3H )	; minimum

        	 NS			ns1.jbjb.com.
	
177			PTR			www.jbjb.com.

重啟生效

systemctl restart named.service 

防火牆放行

firewall-cmd --permanent --add-service=dns
firewall-cmd --reload 

客戶端測試反向解析