diff --git a/blacklist b/blacklist
index c0e62f8..dc51ecb 100644
--- a/blacklist
+++ b/blacklist
@@ -192,4 +192,5 @@ ff02::3 ip6-allhosts
 0.0.0.0 freegamefinder.com
 0.0.0.0 mylogretmarion.co.in
 0.0.0.0 maleinsider.org
-0.0.0.0 browserpro.online
\ No newline at end of file
+0.0.0.0 browserpro.online
+0.0.0.0 certty.co.in
\ No newline at end of file