_: {
  const = {
    quad9 = {
      default = ["9.9.9.9" "149.112.112.112" "2620:fe::fe" "2620:fe::9"];
      unsecured = ["9.9.9.10" "149.112.112.10" "2620:fe::10" "2620:fe::fe:10"];
      ecs = ["9.9.9.11" "149.112.112.11" "2620:fe::11" "2620:fe::fe:11"];
    };
    cloudflare = {
      default = ["1.1.1.1" "1.0.0.1" "2606:4700:4700::1111" "2606:4700:4700::1001"];
      blocking = ["1.1.1.2" "1.0.0.2" "2606:4700:4700::1112" "2606:4700:4700::1002"];
      blockingPlus = ["1.1.1.3" "1.0.0.3" "2606:4700:4700::1113" "2606:4700:4700::1003"];
    };
  };
}