install

pkg install bind911 sysrc named_enable=“YES”

# generate key (note that the service start will do that) rndc-confgen -a

named-checkconf

options {
        // All file and path names are relative to the chroot directory,
        // if any, and should be fully qualified.
        directory       "/usr/local/etc/namedb";
        ...
}

logging {
    channel default-log {
        file "/var/log/named.log" versions 10 size 200m;
        severity info;
        print-severity  yes;
        print-time yes;
    };
    category lame-servers { default-log; };
    category security{ default-log;};
    category queries { default-log;};
    category default { default-log;};
};

# zone

zone "example.org" {
        type master;
        file "master/example.org";
};

$TTL 3600        ; 1 hour default TTL
example.org.    IN      SOA      ns1.example.org. admin.example.org. (
                                2006051501      ; Serial
                                10800           ; Refresh
                                3600            ; Retry
                                604800          ; Expire
                                300             ; Negative Response TTL
                        )

; DNS Servers
                IN      NS      ns1.example.org.
                IN      NS      ns2.example.org.

; MX Records
                IN      MX 10   mx.example.org.
                IN      MX 20   mail.example.org.

                IN      A       192.168.1.1

; Machine Names
localhost       IN      A       127.0.0.1
ns1             IN      A       192.168.1.2
ns2             IN      A       192.168.1.3
mx              IN      A       192.168.1.4
mail            IN      A       192.168.1.5

; Aliases
www             IN      CNAME   example.org.