diff --git a/data/microsoft-dev b/data/microsoft-dev
index 8776d9e5..b4fdae7b 100644
--- a/data/microsoft-dev
+++ b/data/microsoft-dev
@@ -20,6 +20,7 @@ microsoftreactor.com.cn @cn
 microsoftreactor.info
 microsoftreactor.net
 microsoftreactor.org
+microsoftstream.com
 mmdnn.com
 mono-project.com
 msdn.com