diff --git a/data/steam b/data/steam
index d2d10f47..e60bcb72 100644
--- a/data/steam
+++ b/data/steam
@@ -1,9 +1,14 @@
+dota2.com
 fanatical.com
 humblebundle.com
+playartifact.com
+steam-chat.com
 steamcommunity.com
+steamgames.com
 steampowered.com
 steamstatic.com
-steam-chat.com
+underlords.com
+valvesoftware.com
 
 full:steamcdn-a.akamaihd.net
 full:steamcommunity-a.akamaihd.net