zone isc.license.fastrpz.com {
    masters port 53 {
        KEY farsight_fastrpz_license 104.244.14.176;
        KEY farsight_fastrpz_license 2620:11c:f008::176;
    };
};

key farsight_fastrpz_license {
    algorithm hmac-sha256; secret "f405d02b4c8af54855fcebc1";
};