diff --git a/util/reserved.json b/util/reserved.json
index e71a89d3c..a64059d4a 100644
--- a/util/reserved.json
+++ b/util/reserved.json
@@ -36,6 +36,8 @@
     "con",
     "confirm",
     "confirmation",
+    "contribute",
+    "contributing",
     "dash",
     "dashboard",
     "default",
@@ -55,21 +57,29 @@
     "finance",
     "forgot",
     "forgot-password",
-    "gtld",
-    "guest",
     "help",
     "helpdesk",
     "helper",
     "helpers",
     "hostmaster",
+    "http",
+    "https",
     "info",
-    "infos",
     "int",
     "internal",
     "legal",
     "license",
     "login",
     "logout",
+    "lpt1",
+    "lpt2",
+    "lpt3",
+    "lpt4",
+    "lpt5",
+    "lpt6",
+    "lpt7",
+    "lpt8",
+    "lpt9",
     "m",
     "mail",
     "maintainer",
@@ -89,16 +99,25 @@
     "notifications",
     "notify",
     "ns",
-    "ns[1-9]",
-    "nul",
+    "ns1",
+    "ns2",
+    "ns3",
+    "ns4",
+    "ns5",
+    "ns6",
+    "ns7",
+    "ns8",
+    "ns9",
     "oauth",
     "official",
-    "operations",
     "ops",
     "org",
     "organisation",
     "organization",
     "owner",
+    "owners",
+    "passwordreset",
+    "password-reset",
     "pay",
     "payment",
     "payments",
@@ -111,12 +130,14 @@
     "registrar",
     "registry",
     "reset",
+    "resetpassword",
     "reset-password",
     "root",
     "sales",
-    "schedule",
     "secure",
     "security",
+    "server",
+    "servers",
     "service",
     "services",
     "session",
@@ -138,6 +159,15 @@
     "system",
     "teams",
     "test",
+    "test1",
+    "test2",
+    "test3",
+    "test4",
+    "test5",
+    "test6",
+    "test7",
+    "test8",
+    "test9",
     "termsofservice",
     "terms-of-service",
     "tld",
@@ -151,7 +181,16 @@
     "webmail",
     "webmaster",
     "whois",
-    "www[1-9]",
+    "ww",
+    "www1",
+    "www2",
+    "www3",
+    "www4",
+    "www5",
+    "www6",
+    "www7",
+    "www8",
+    "www9",
     "wwww",
     "your-domain-name"
 ]