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RHCE 第四次作业

news 2025/7/21 1:16:28

一.搭建dns服务器能够对自定义的正向或者反向域完成数据解析查询。

1.配置环境

[root@localhost ~]# yum install bind

[root@localhost ~]#systemctl stop firewalld

[root@localhost ~]#setenforce 0

2.配置DNS主服务器

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

options {
listen-on port 53 { 192.168.184.128; };
directory "/var/named";
allow-query { any; };

};

zone "openlab.com" IN {
type master;
file "named.openlab.com";
};

zone"184.168.192.in-addr.arpa" IN {
type master;
file "named.192";
allow-update{ none; };
};

3.正向解析资源记录文件

[root@localhost ~]# vim /var/named/named.openlab.com

$TTL 1D
@ IN SOA @ tjm.qq.com. (
2024110800
1D
1H
1W
3H )
     IN         NS ns.openlab.com.
ns         IN A      192.168.184.128
www     IN A      192.168.184.128
wwww IN CNAME         www

4.反向解析记录文件

[root@localhost ~]# vim /var/named/named.192

$TTL 1D
@ IN SOA @ rname.invalid. (
0 ; serial
1D ; refresh
1H ; retry
1W ; expire
3H ) ; minimum
NS ns.openlab.com.

128 PTR ns.openlab.com.
128 PTR www.openlab.com

5.解析测试

[root@localhost ~]# nslookup

> server 192.168.184.128
Default server: 192.168.184.128
Address: 192.168.184.128#53
> www.openlab.com
Server:       192.168.184.128
Address:   192.168.184.128#53

Non-authoritative answer:
www.openlab.com   canonical name = openlab.com.
Name:   openlab.com
Address: 3.33.130.190
Name:   openlab.com
Address: 15.197.148.33