diff --git a/categories/malicious/domains b/categories/malicious/domains
index 026ce96..68d2a22 100644
--- a/categories/malicious/domains
+++ b/categories/malicious/domains
@@ -64,3 +64,4 @@ youaretotallyanidiot.github.io
 tubson.pl
 mist0090.github.io
 zenierontop.github.io
+serg.kozow.com