sudo apt-get update
apt-get install bind9

cd /etc/bind


vim named.conf.zones

# 写入
zone "exp.top"{
        type master;
        file "/etc/bind/db.exp.top";
};

vim db.exp.top

# 写入
;
; BIND data file for local loopback interface
;
$TTL    604800
@       IN      SOA     exp.top. root.exp.top. (
                              2         ; Serial
                         604800         ; Refresh
                          86400         ; Retry
                        2419200         ; Expire
                         604800 )       ; Negative Cache TTL
;
@       IN      NS      exp.top.
@       IN      A       192.168.31.219
@       IN      AAAA    ::1

systemctl restart bind9