diff --git a/data/baidu b/data/baidu
index 617c6082..703b60d3 100644
--- a/data/baidu
+++ b/data/baidu
@@ -1,8 +1,13 @@
+# All .baidu domains
+
+baidu
+
 91.com
 aipage.com
 apollo.auto
 baidu.cn
 baidu.com
+baidu.com.cn
 baidubce.com
 baiducontent.com
 baidupcs.com