{ sources, lib, ... }:

let
  dns = import sources.dns-nix { };
in
{
  services.nsd = {
    enable = true;
    zones = {
      "lab.dgnum.eu" = {
        # provideXFR = [ ... ];
        # notify = [ ... ];
        data = dns.lib.toString "lab.dgnum.eu" (import ./lab.dgnum.eu.nix { inherit dns lib; });
      };
    };
  };
  networking = {
    firewall = {
      allowedUDPPorts = [ 53 ];
    };
  };
}