diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index 914911b10f..58311c134d 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -953,4 +953,5 @@ phuocbinh.edu.vn
 nur.edu.bo
 vaa.edu.vn
 student.eur.nl
-estudiantes.edu.ec
\ No newline at end of file
+estudiantes.edu.ec
+student.csn.edu
\ No newline at end of file