anchor.diff:        identity.address    = "1.0.0.1";
       };
   
  -    services.pdns-recursor = {
  -      enable = true;
  -      dns.allowFrom = [ "127.0.0.0/8" ];
  -      resolveNamecoin = true;
  -    };
  +    services.pdns-recursor.enable = true;
  +    services.pdns-recursor.resolveNamecoin = true;
   
       environment.systemPackages = [ pkgs.dnsutils ];
  -
     };
   
     testScript =
  
positive.code:   };
  
    nodes.server = { ... }: {
      networking.nameservers = [ "127.0.0.1" ];
  
      services.namecoind.rpc = {
        address = "127.0.0.1";
        user = "namecoin";
        password = "secret";
        port = 8332;
  
negative.code:       script = ''
          while true; do
            echo -e "HTTP/1.1 200 OK\n\n $(<${fakeReply})\n" \
              | ${pkgs.netcat}/bin/nc -N -l ::1 8332
          done
        '';
      };
  