diff --git a/data/microsoft b/data/microsoft
index 78ecf478..6b60d9b6 100644
--- a/data/microsoft
+++ b/data/microsoft
@@ -251,6 +251,7 @@ sfx.ms
 sharepoint.cn @cn
 sharepoint.com
 sharepointonline.com
+signalr.net
 skype.com
 skype.net
 skypeassets.com