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"; };