转发服务器实验

1. 首先先克隆一个虚拟机并完成ip地址的修改

nmcli connection modify ens160 ipv4.addresses 192.168.209.128/24
nmcli connection modify ens160 ipv4.method manual
nmcli connection modify ens160 connection.autoconnect yes
nmcli connection up ens160
nmcli connection modify ens160 ipv4.dns 192.168.209.136
nmcli connection up ens160

2. 配置解析文件

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

3. 重启named服务

[root@localhost ~]# systemctl restart named

4. 查看DNS

[root@localhost ~]# nmcli device show | grep DNS
IP4.DNS[1]:                             192.168.209.136

5. 在服务器上做测试

[root@client ~]# dig -t A www.baidu.com

; <<>> DiG 9.16.23-RH <<>> -t A www.baidu.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 286
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; COOKIE: 09dac7443d8d2c2701000000668946c0c241b650e0e7c86d (good)
;; QUESTION SECTION:
;www.baidu.com.			IN	A

;; ANSWER SECTION:
www.baidu.com.		1200	IN	CNAME	www.a.shifen.com.
www.a.shifen.com.	120	IN	A	36.155.132.3
www.a.shifen.com.	120	IN	A	36.155.132.76

;; Query time: 4437 msec
;; SERVER: 192.168.209.136#53(192.168.209.136)
;; WHEN: Sat Jul 06 21:29:36 CST 2024
;; MSG SIZE  rcvd: 132