diff --git a/lib/domains/blacklist.txt b/lib/domains/blacklist.txt
index 40be3b9b4d..1d28b4a117 100644
--- a/lib/domains/blacklist.txt
+++ b/lib/domains/blacklist.txt
@@ -110,4 +110,5 @@ vip.henu.edu.cn
 student.napavalley.edu
 mycom.marin.edu 
 alu.comillas.edu
-zknu.edu.cn
\ No newline at end of file
+zknu.edu.cn
+go.sfcollege.edu
\ No newline at end of file