[root@wallet03 ~]# yum install -y bind

[root@wallet03 ~]# vi /etc/named.conf
options {
        listen-on port 53 { 192.168.40.36; };
        /* listen-on-v6 port 53 { ::1; }; */
        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";
        allow-query     { any; };
        recursion yes;
        DNSsec-enable yes;
        dnssec-validation yes;
        /* Path to ISC DLV key */
        bindkeys-file "/etc/named.iscdlv.key";
        managed-keys-directory "/var/named/dynamic";
};
zone "." IN {
        type hint;
        file "named.ca";
};
zone "gscaifu.com" IN {
        type master;
        file "gscaifu.com.zone";
};
include "/etc/named.rfc1912.zones";
include "/etc/named.root.key";

[root@wallet03 ~]# cd /var/named
[root@wallet03 named]# cp -p named.localhost gscaifu.com.zone
[root@wallet03 named]# vi gscaifu.com.zone
$TTL 1D
@       IN SOA  @ rname.invalid. (
                                        0       ; serial
                                        1D      ; refresh
                                        1H      ; retry
                                        1W      ; expire
                                        3H )    ; minimum
             NS @
             IN A    192.168.40.36
wallet       IN A    192.168.40.101
wallet       IN A    192.168.40.102
wallet       IN A    192.168.40.103

[root@wallet03 ~]# service named start
Generating /etc/rndc.key:                                  [  OK  ]
Starting named:                                            [  OK  ]

[root@wallet03 ~]# netstat -tunlp | grep named
tcp        0      0 192.168.40.36:53            0.0.0.0:*               LISTEN      2755/named          
tcp        0      0 127.0.0.1:953               0.0.0.0:*               LISTEN      2755/named          
tcp        0      0 ::1:953                     :::*                    LISTEN      2755/named          
udp        0      0 192.168.40.36:53            0.0.0.0:*                           2755/named   

[root@wallet01 ~]# vi /etc/resolv.conf 
search gscaifu.com
nameserver 192.168.40.36

[root@wallet01 ~]# nslookup wallet.gscaifu.com
Server:         192.168.40.36
Address:        192.168.40.36#53
Name:   wallet.gscaifu.com
Address: 192.168.40.101
Name:   wallet.gscaifu.com
Address: 192.168.40.102
Name:   wallet.gscaifu.com
Address: 192.168.40.103

[root@wallet02 ~]# vi /etc/resolv.conf 
search gscaifu.com
nameserver 192.168.40.36

[root@wallet02 ~]# nslookup wallet.gscaifu.com
Server:         192.168.40.36
Address:        192.168.40.36#53
Name:   wallet.gscaifu.com
Address: 192.168.40.102
Name:   wallet.gscaifu.com
Address: 192.168.40.103
Name:   wallet.gscaifu.com
Address: 192.168.40.101

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