options {
  directory "<%= $dns::zone_directory %>";
  forwarers { 8.8.8.8; 8.8.4.4; };
  recursion yes;
  allow-query { any; };
  dnssec-validation yes;

  empty-zone-enable yes;

  listen-on-v6 { any; };

  allow-recursion { localnets; localhost; };
};