diff --git a/hosts/carbon/configuration.nix b/hosts/carbon/configuration.nix
index a7e63be..de0399c 100644
--- a/hosts/carbon/configuration.nix
+++ b/hosts/carbon/configuration.nix
@@ -435,6 +435,10 @@
       server = {
         interface = [ "fd00:152:152::1" "10.152.0.1" ];
         access-control = [ "::/0 allow" "0.0.0.0/0 allow" ];
+        prefer-ip6 = true;
+        prefetch = true;
+        serve-expired = true;
+        serve-expired-ttl-reset = true;
       };
     };
   };