安装软件

yum install bind bind-utils

编辑配置文件/etc/named.conf修改监听地址

options {
        listen-on port 53 { any; };
        directory       "/var/named";
        dump-file       "/var/named/data/cache_dump.db";
        statistics-file "/var/named/data/named_stats.txt";
        memstatistics-file "/var/named/data/named_mem_stats.txt";
        secroots-file   "/var/named/data/named.secroots";
        recursing-file  "/var/named/data/named.recursing";
        allow-query     { any; };
}
include "/etc/named.rfc1912.zones";
include "/etc/named.root.key";

编辑/etc/named.rfc1912.zones定义域名配置

zone "nfs.com" IN {
        type master;
        file "/var/named/nfs.com.zone";
        allow-update { none; };
};

编辑/var/named/nfs.com.zone定义域名解析地址

$TTL 86400 ; 1 day
@       IN SOA  ns.nfs.com. admin.nfs.com. (
                        1         ; serial number
                        86400      ; refresh time
                        7200       ; retry time
                        604800     ; expiration time
                        864800 )   ; minimum TTL

@       IN NS ns.nfs.com.;
ns      IN A 192.168.1.21;
cluster1      IN A 192.168.1.16;
cluster2      IN A 192.168.1.15;

启动服务

systemctl enable named
systemctl start named

测试解析

nslookup cluster1.nfs.com 192.168.1.21
Server:		192.168.1.21
Address:	192.168.1.21#53

Name:	cluster1.nfs.com
Address: 192.168.1.16

[root@rke01 named]# nslookup cluster2.nfs.com 192.168.1.21
Server:		192.168.1.21
Address:	192.168.1.21#53

Name:	cluster2.nfs.com
Address: 192.168.1.15