diff --git a/nixos/network.nix b/nixos/network.nix
index ebbde5cb..c9fad468 100644
--- a/nixos/network.nix
+++ b/nixos/network.nix
@@ -283,7 +283,7 @@
           inherit (settings) domain;
         } // optionalAttrs (settings.domain == "@" || settings.domain == "" || settings.domain == null) {
         }) networks') address_families;
-      in mkMerge (networks'' ++  domains' ++ [ extraDomains ]);
+      in mkMerge (if tf.state.enable then (networks'' ++  domains' ++ [ extraDomains ]) else []);
 
       acme = let
           home = meta.deploy.targets.home.tf;
diff --git a/nixos/systems/koishi.nix b/nixos/systems/koishi.nix
index d5edf1be..f23f1412 100644
--- a/nixos/systems/koishi.nix
+++ b/nixos/systems/koishi.nix
@@ -12,7 +12,7 @@
   config = {
   programs.ssh.extraConfig = ''
     Host daiyousei-build
-        HostName ${meta.tailnet.daiyousei.ipv4}
+        HostName ${meta.network.nodes.nixos.daiyousei.networks.internet.uqdn}
         Port 62954
         User root
   '';
diff --git a/tf b/tf
index 8677c775..b437fcdf 160000
--- a/tf
+++ b/tf
@@ -1 +1 @@
-Subproject commit 8677c775dad6c88703793030281502c755cfff3b
+Subproject commit b437fcdf335a6ac1fd710603c4f9b9033752922e