diff --git a/w3tech_hostfile.txt b/w3tech_hostfile.txt
index 8ef28bf..46e2629 100644
--- a/w3tech_hostfile.txt
+++ b/w3tech_hostfile.txt
@@ -31,6 +31,7 @@ adsrvr.org
 ads-twitter.com
 adtechus.com
 advertising.com
+adux.com
 adyoulike.com
 amazon-adsystem.com
 appnexus.com