diff --git a/systems/auth-dns.noc.eh22.intern.nix b/systems/auth-dns.noc.eh22.intern.nix
index 1ccfcb2..153c5b2 100644
--- a/systems/auth-dns.noc.eh22.intern.nix
+++ b/systems/auth-dns.noc.eh22.intern.nix
@@ -51,6 +51,12 @@ in
     settingsFile = knotConf;
   };
 
+  # configure remaining network to work
+  networking.firewall = {
+    allowedTCPPorts = [ 53 ];
+    allowedUDPPorts = [ 53 ];
+  };
+
   # DO NOT CHANGE
   # this defines the first version of NixOS that was installed on the machine so that programs with non-migratable data files are kept compatible
   home-manager.users.noc.home.stateVersion = "24.11";