diff --git a/disposable_email_blacklist.conf b/disposable_email_blacklist.conf
index 259e4a5..0a98e75 100644
--- a/disposable_email_blacklist.conf
+++ b/disposable_email_blacklist.conf
@@ -2045,6 +2045,7 @@ xwaretech.info
 xwaretech.net
 xww.ro
 xyzfree.net
+xzsok.com
 yanet.me
 yapped.net
 yaqp.com