diff --git a/all.json b/all.json
index 6c4cbc538..a2aa658f1 100644
--- a/all.json
+++ b/all.json
@@ -8,6 +8,7 @@
     "dot-event.org",
     "dot4.org",
     "dot4.top",
+    "dot21.net",
     "dotevent.org",
     "dothereum-polkadot.net",
     "getpolkadot.net",