diff --git a/List/domainset/cdn.conf b/List/domainset/cdn.conf
index a16d2c25..a4300027 100644
--- a/List/domainset/cdn.conf
+++ b/List/domainset/cdn.conf
@@ -882,6 +882,10 @@ static-cdn.mastodon.social
 .envato-static.com
 .envatousercontent.com
 s3.envato.com
+# Dropbox
+cfl.dropboxstatic.com
+# Box.com
+.boxcdn.net
 # Others
 .yelpcdn.com
 cf-images.us-east-1.prod.boltdns.net