diff --git a/nix/lib/config/legacy.nix b/nix/lib/config/legacy.nix
index 9c1c127..45d7d44 100644
--- a/nix/lib/config/legacy.nix
+++ b/nix/lib/config/legacy.nix
@@ -2,6 +2,7 @@
 
 let
   mainServers = [ "server1" "server2" ];
+  cephMonServers = [ "server5" "server6" "server8" ];
   pillar = self.lib.saltPillarFor "*";
 
   clusterServerNets = [
@@ -71,7 +72,12 @@ in
         name = "_ceph-mon._tcp";
         type = "SRV";
         data = "1 1 6789 ${host}";
-      }) [ "server5" "server6" "server8" ];
+      }) cephMonServers ++
+      lib.lists.imap0 (i: host: {
+        name = "mon${i}";
+        type = "CNAME";
+        data = "${host}";
+      }) cephMonServers;
 
       c3d2.dynamicDomain = true;
       c3d2.dhcp = {