Mine

options {
        directory "/var/cache/bind";
        pid-file "/var/run/bind/named.pid";
        version "ns.cinedigital.com.br";
        allow-transfer {
        127.0.0.1;
        };
        auth-nxdomain no;    # conform to RFC1035

};
/*controls {
        inet 127.0.0.1 allow { localhost; } keys { key_rndc; };
};*/
        
zone "cinedigital.com.br" {
       type master;
       file "cinedigital.com.br";
       notify no;
};

/* key "rndc-key" {
       algorithm hmac-md5;
       secret "xJTVgSkAmTzCxDgMsCqYkg==";
 };
 
 controls {
       inet 127.0.0.1 port 953
               allow { 127.0.0.1; } keys { "rndc-key"; };
 };*/

zone "artinformatica.net" {
       type master;
       file "artinformatica.net";
       notify no;
 };