linux增加反向解析区域

sudo mkdir -p /etc/bind/zones/rev
sudo nano /etc/bind/zones/rev/1.168.192.in-addr.arpa

$TTL 86400
@       IN      SOA     ns1.example.com. admin.example.com. (
                        2023010101      ; Serial
                        3600            ; Refresh
                        1800            ; Retry
                        604800          ; Expire
                        86400           ; TTL
                )
        IN      NS      ns1.example.com.
        IN      NS      ns2.example.com.

1       IN      PTR     host1.example.com.
2       IN      PTR     host2.example.com.

zone "1.168.192.in-addr.arpa" {
    type master;
    file "/etc/bind/zones/rev/1.168.192.in-addr.arpa";
};

sudo systemctl restart bind9

sudo chown bind:bind /etc/bind/zones/rev/1.168.192.in-addr.arpa
sudo chmod 640 /etc/bind/zones/rev/1.168.192.in-addr.arpa