diff --git a/mastodon-container.nix b/mastodon-container.nix
index b29f25f..5fdbb78 100644
--- a/mastodon-container.nix
+++ b/mastodon-container.nix
@@ -44,12 +44,6 @@ in {
       default = 4;
     };
 
-    nameservers = mkOption {
-      type = listOf str;
-      description = "Nameservers to use for DNS resolution.";
-      default = [ "1.1.1.1" ];
-    };
-
     smtp = {
       host = mkOption {
         type = str;
@@ -111,7 +105,7 @@ in {
               configuration = {
                 boot.tmp.useTmpfs = true;
                 system.nssModules = mkForce [ ];
-                networking.nameservers = cfg.nameservers;
+                environment.systemPackages = with pkgs; [ nmap telnet ];
                 services = {
                   nscd.enable = false;
                   postgresql.enable = true;