ark/modules/network/dns/cloudflare.nix

{lib, ...}: {
  networking.resolvconf.useLocalResolver = true;
  networking.networkmanager.dns = lib.mkForce "none";
  services.dnscrypt-proxy2 = {
    enable = true;
    settings = {
      server_names = ["cloudflare" "cloudflare-ipv6"];
    };
  };
}