diff --git a/cdn-testlist.txt b/cdn-testlist.txt
index a1627d08a7..35b9b3f92a 100644
--- a/cdn-testlist.txt
+++ b/cdn-testlist.txt
@@ -43,10 +43,12 @@ pagead2.googlesyndication.com
 r1.res.outlook.com
 recaptcha.net
 redirector.gvt1.com
+rsb.net
 s.c.lnkd.licdn.com
 s0.2mdn.net
 t1.tiles.ditu.live.com
 tse1-mm.cn.bing.net
+u.sb
 v24.lscache2.c.android.clients.google.com
 v2ex.assets.uxengine.net
 v2ex.china.uxengine.net