diff --git a/util/reserved.json b/util/reserved.json
index 7b7236469..6a2199f4a 100644
--- a/util/reserved.json
+++ b/util/reserved.json
@@ -86,6 +86,8 @@
     "payments",
     "portal",
     "postmaster",
+    "preview",
+    "private",
     "prod",
     "production",
     "redirect",
@@ -98,6 +100,7 @@
     "services",
     "staff",
     "staging",
+    "static",
     "statistics",
     "stats",
     "status",