diff --git a/w3tech_hostfile.txt b/w3tech_hostfile.txt
index 71712eb..ea4c122 100644
--- a/w3tech_hostfile.txt
+++ b/w3tech_hostfile.txt
@@ -50,6 +50,7 @@ bizible.com
 bkrtx.com
 blueconic.net
 bluekai.com
+boomtrain.com
 bounceexchange.com
 bouncex.net
 brightcom.com