diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index 251908c9db..66d9da717f 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -502,4 +502,5 @@ my.jcu.edu.au
 masu.edu.cn
 utexas.edu
 unijos.edu.ng
-cczu.edu.cn
\ No newline at end of file
+cczu.edu.cn
+sdust.edu.cn
\ No newline at end of file