Index: trunk/bureau/class/m_dom.php
===================================================================
--- trunk/bureau/class/m_dom.php	(revision 904)
+++ trunk/bureau/class/m_dom.php	(revision 927)
@@ -206,4 +206,9 @@
     }
     $db->query("SELECT compte FROM domaines WHERE domaine='$domain';");
+    if ($db->num_rows()) {
+      $err->raise("dom",8);
+      return false;
+    }
+    $db->query("SELECT compte FROM `sub_domaines` WHERE sub != "" AND concat( sub, ".", domaine )='$domain' OR domaine='$domain';");
     if ($db->num_rows()) {
       $err->raise("dom",8);