diff --git a/authoritative-dns.nix b/authoritative-dns.nix
index ce1c943..183b2ab 100644
--- a/authoritative-dns.nix
+++ b/authoritative-dns.nix
@@ -74,16 +74,16 @@ in {
       identity = cfg.identity;
       interfaces = cfg.listen-ips;
       stateDirectory = cfg.state-directory;
-      # zones = mapAttrs' (dom: domCfg:
-      #   let zoneCfg = domCfg.zone;
-      #   in nameValuePair "${dom}." {
-      #     dnssec = zoneCfg.ksk.key-file != null;
-      #     ksk.keyFile =
-      #       mkIf (zoneCfg.ksk.key-file != null) zoneCfg.ksk.key-file;
-      #     data = let
-      #       content = zoneToZonefile cfg.timestamp dom domCfg.zone-definition;
-      #     in trace content content;
-      #   }) cfg.domains;
+      zones = mapAttrs' (dom: domCfg:
+        let zoneCfg = domCfg.zone;
+        in nameValuePair "${dom}." {
+          dnssec = zoneCfg.ksk.key-file != null;
+          ksk.keyFile =
+            mkIf (zoneCfg.ksk.key-file != null) zoneCfg.ksk.key-file;
+          data = let
+            content = zoneToZonefile cfg.timestamp dom domCfg.zone-definition;
+          in trace content content;
+        }) cfg.domains;
     };
   };
 }