diff --git a/hosts/knot/default.nix b/hosts/knot/default.nix
index 3f411d09..106d9039 100644
--- a/hosts/knot/default.nix
+++ b/hosts/knot/default.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ config, pkgs, zentralwerk, ... }:
 
 {
   c3d2 = {
@@ -111,12 +111,12 @@
         answer-rotation = true;
         automatic-acl = true;
         identity = "ns.c3d2.de";
-        listen = [
-          "172.20.73.61"
+        listen = with zentralwerk.lib.config.site.net.serv; [
+          "127.0.0.1"
+          "::1"
+          hosts4.knot hosts6.up4.knot hosts6.dn42.knot
           "2a00:8180:2c00:282:2041:cbff:fe0c:8516"
-          "2a00:8180:2c00:282:cd7:56ff:fe69:6366"
           "fd23:42:c3d2:582:2041:cbff:fe0c:8516"
-          "fd23:42:c3d2:582:cd7:56ff:fe69:6366"
         ];
         tcp-fastopen = true;
         version = null;