diff --git a/DNS.md b/DNS.md
index 6ad75f2..dbe7c6f 100644
--- a/DNS.md
+++ b/DNS.md
@@ -1,3 +1,4 @@
 -   [Major DNSSEC Outages and Validation Failures](https://ianix.com/pub/dnssec-outages.html)
 -   [Njalla's DNS Checker](https://check.njal.la/dns/)
 -   [Njalla's Public DNS](https://dns.njal.la/)
+-   [mess with dns](https://messwithdns.net/)