diff --git a/machines/web02/cas-eleves/default.nix b/machines/web02/cas-eleves/default.nix
index bdef507..00afde5 100644
--- a/machines/web02/cas-eleves/default.nix
+++ b/machines/web02/cas-eleves/default.nix
@@ -126,6 +126,8 @@ in
     };
   };
 
+  dgn-redirections.redirections."cas-eleves.dgnum.eu" = "cas.eleves.ens.fr";
+
   services = {
     postgresql = {
       ensureDatabases = [ "cas_server" ];