diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index 3330b2a0c9..07d06bcb61 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -236,4 +236,5 @@ mails.cust.edu.cn
 insite.4cd.edu
 cug.edu.cn
 mail.sustc.edu.cn
-alumni.usp.br
\ No newline at end of file
+alumni.usp.br
+cdmc.edu.cn
\ No newline at end of file