diff --git a/data/steam b/data/steam
index fb4103f3..1afe438c 100644
--- a/data/steam
+++ b/data/steam
@@ -12,8 +12,12 @@ steamserver.net
 steamstatic.com
 steamusercontent.com
 underlords.com
+valve.net
 valvesoftware.com
 
+# Dota 2
+dota2.com
+
 # edgecast
 edge.steam-dns.top.comcast.net