diff --git a/cloudflare_inc/cloudflare_owned_NS.txt b/cloudflare_inc/cloudflare_owned_NS.txt
index e75f53639f..f3d8280ec7 100644
--- a/cloudflare_inc/cloudflare_owned_NS.txt
+++ b/cloudflare_inc/cloudflare_owned_NS.txt
@@ -991,6 +991,7 @@ trevor.ns.cloudflare.com
 trey.ns.cloudflare.com
 tricia.ns.cloudflare.com
 troy.ns.cloudflare.com
+tutu.hk3.20212021.ml.cdn.cloudflare.net
 ulla.ns.cloudflare.com
 ullis.ns.cloudflare.com
 uma.ns.cloudflare.com