From cf29dbb52ead2b167890eb2394e89a299b4a6866 Mon Sep 17 00:00:00 2001
From: mendel5 <60322520+mendel5@users.noreply.github.com>
Date: Sat, 20 Apr 2024 00:03:08 +0200
Subject: [PATCH] Update README.md

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index f8dbce8..21472bc 100644
--- a/README.md
+++ b/README.md
@@ -10,3 +10,4 @@ Information about how to configure email servers, services, etc.
 - https://www.experte.de/dns-check/dnssec
 - https://ssl-tools.net/
 - https://www.nospamproxy.de/wp-content/uploads/Praxisleitfaden-DKIM-SPF-DMARC-DANE-1.pdf
+- https://www.debouncer.com/reverse-dns-check