diff --git a/hosts/knot/default.nix b/hosts/knot/default.nix
index b94d96e6..8d995226 100644
--- a/hosts/knot/default.nix
+++ b/hosts/knot/default.nix
@@ -92,11 +92,15 @@
           id = "ns0.q-ix.net";
           address = [ "217.115.12.65" "2a00:1328:e101:b01::1" ];
         }
+        {
+          id = "ns1.supersandro.de";
+          address = [ "188.34.196.104" "2a01:4f8:1c1c:1d38::1" ];
+        }
       ];
 
       remotes = [ {
         id = "all";
-        remote = [ "ns.spaceboyz.net" "ns0.q-ix.net" /*"ns1.supersandro.de"*/ ];
+        remote = [ "ns.spaceboyz.net" "ns0.q-ix.net" "ns1.supersandro.de" ];
       } ];
 
       server = {
@@ -141,6 +145,7 @@
           domain = "c3d2.";
           acl = "zone_xfr";
           catalog-role = "generate";
+          storage = "/var/lib/knot/catalog";
         }
       ] ++ map ({ acl ? [], ... }@zone: {
         inherit (zone) domain;