diff --git a/domains/app.json b/domains/app.json
deleted file mode 100644
index 4f1926b86..000000000
--- a/domains/app.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "owner": {
-    "username": "code-hunt-in",
-    "email": "aishwary.pandore@somaiya.edu"
-  },
-  "record": {
-    "CNAME": "code-hunt-in.github.io"
-  }
-}
diff --git a/domains/bot.json b/domains/bot.json
deleted file mode 100644
index 19228f791..000000000
--- a/domains/bot.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "owner": {
-    "username": "tanmoythebot"
-  },
-  "record": {
-    "CNAME": "tanmoythebot.github.io"
-  }
-}
diff --git a/domains/ptr.json b/domains/ptr.json
new file mode 100644
index 000000000..c8412a1a4
--- /dev/null
+++ b/domains/ptr.json
@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "schminho",
+        "email": "peter@geiselnehmer.de"
+    },
+    "record": {
+        "CNAME": "schminho.github.io"
+    }
+}
diff --git a/util/reserved.json b/util/reserved.json
index 37c071c97..953c50aa3 100644
--- a/util/reserved.json
+++ b/util/reserved.json
@@ -1,10 +1,13 @@
 [
+    "_zone-updated",
     "about",
     "account",
     "accounts",
     "admin",
     "api",
     "apis",
+    "app",
+    "apps",
     "assets",
     "auth",
     "authentication",
@@ -16,6 +19,7 @@
     "ads",
     "billing",
     "blog",
+    "bot",
     "cdn",
     "chat",
     "checkout",
@@ -147,5 +151,7 @@
     "www8",
     "www9",
     "wwww",
-    "your-domain-name"
+    "your-domain-name",
+    "zone",
+    "zone-updated"
 ]