{ lib, inputs, ... }:
with lib;
recursiveUpdate inputs.dns.lib {
  mkDoT = { ips, tls }: map (ip: "${ip}#${tls}") ips;

  const = {
    quad9 = {
      default = {
        ips = [
          "9.9.9.9"
          "149.112.112.112"
          "2620:fe::fe"
          "2620:fe::9"
        ];
        tls = "dns.quad9.net";
      };
      unsecured = {
        ips = [
          "9.9.9.10"
          "149.112.112.10"
          "2620:fe::10"
          "2620:fe::fe:10"
        ];
        tls = "dns10.quad9.net";
      };
      ecs = {
        ips = [
          "9.9.9.11"
          "149.112.112.11"
          "2620:fe::11"
          "2620:fe::fe:11"
        ];
        tls = "dns11.quad9.net";
      };
    };
    cloudflare = {
      default = {
        ips = [
          "1.1.1.1"
          "1.0.0.1"
          "2606:4700:4700::1111"
          "2606:4700:4700::1001"
        ];
        tls = "cloudflare-dns.com";
      };
      security = {
        ips = [
          "1.1.1.2"
          "1.0.0.2"
          "2606:4700:4700::1112"
          "2606:4700:4700::1002"
        ];
        tls = "security.cloudflare-dns.com";
      };
      family = {
        ips = [
          "1.1.1.3"
          "1.0.0.3"
          "2606:4700:4700::1113"
          "2606:4700:4700::1003"
        ];
        tls = "family.cloudflare-dns.com";
      };
    };
  };
}