diff --git a/whitelist.txt b/whitelist.txt
index 40cf953..dc97e1b 100644
--- a/whitelist.txt
+++ b/whitelist.txt
@@ -85,3 +85,5 @@ ocsp.godaddy.com
 .protection.outlook.com
 
 .digicert.com
+
+.topazsystems.com
\ No newline at end of file