diff --git a/ci/systems.json b/ci/systems.json
index 9eff5489..3398e5bc 100644
--- a/ci/systems.json
+++ b/ci/systems.json
@@ -26,7 +26,11 @@
       "hostName": "ct",
       "networks": {
         "int": null,
-        "local": null,
+        "local": {
+          "address4": null,
+          "address6": null,
+          "macAddress": null
+        },
         "tail": null
       }
     }
diff --git a/nixos/dnsmasq.nix b/nixos/dnsmasq.nix
index 1b4d995d..374d32fe 100644
--- a/nixos/dnsmasq.nix
+++ b/nixos/dnsmasq.nix
@@ -38,8 +38,9 @@
   mkHostRecordPair = network: system: let
     address4 = system.config.network.networks.${network}.address4 or null;
     address6 = system.config.network.networks.${network}.address6 or null;
+    fqdn = system.config.network.networks.${network}.fqdn or null;
   in nameValuePair
-    system.config.network.networks.${network}.fqdn or "${network}.${system.config.access.fqdn}"
+    (if fqdn != null then fqdn else "${network}.${system.config.access.fqdn}")
     (concatStringsSep "," (
     lib.optional (address4 != null)
       (toString address4)
diff --git a/nixos/reisen-ct/network.nix b/nixos/reisen-ct/network.nix
index 0dbdf063..89b9c3cc 100644
--- a/nixos/reisen-ct/network.nix
+++ b/nixos/reisen-ct/network.nix
@@ -7,7 +7,7 @@
   ...
 }: let
   inherit (lib.modules) mkIf mkBefore mkOrder;
-  enableDns = !config.services.dnsmasq.enable && config.networking.hostName != "utsuho" && config.networking.hostName != "ct";
+  enableDns = !config.services.dnsmasq.enable && config.networking.hostName != "utsuho";
 in {
   imports = let
     inherit (meta) nixos;
diff --git a/systems/ct/default.nix b/systems/ct/default.nix
index ea396fa3..8760b2a2 100644
--- a/systems/ct/default.nix
+++ b/systems/ct/default.nix
@@ -4,4 +4,11 @@ _: {
   modules = [
     ./nixos.nix
   ];
+  network.networks = {
+    local = {
+      fqdn = null;
+      address4 = null;
+      address6 = null;
+    };
+  };
 }