diff --git a/nixos/boxes/home/routing-common/radvd.nix b/nixos/boxes/home/routing-common/radvd.nix
index 1288a9b..88dde3c 100644
--- a/nixos/boxes/home/routing-common/radvd.nix
+++ b/nixos/boxes/home/routing-common/radvd.nix
@@ -11,7 +11,7 @@ let
       AdvLinkMTU ${toString prefixes."${name}".mtu};
       prefix ${prefixes."${name}".v6} {};
       RDNSS ${net.cidr.host 1 prefixes."${name}".v6} ${net.cidr.host 2 prefixes."${name}".v6} {};
-      DNSSL ${domain} {};
+      DNSSL ${domain} dyn.${domain} {};
      };
   '';
 in