From 874f450aa1e7379ac3bed499480155dd1c439bd4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Os=C3=A9as=20de=20Freitas=20Rosa?=
 <86753305+oseasfr@users.noreply.github.com>
Date: Tue, 11 Nov 2025 20:12:46 -0300
Subject: [PATCH] Add MarkMonitor

Mark Monitor WHOIS - Displays domain registration information.
---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 78b2416..9ed63f4 100644
--- a/README.md
+++ b/README.md
@@ -863,6 +863,7 @@ algorithms, knowledgebase and AI technology.
 * [ISP.Tools](https://www.isp.tools) - Is a free platform offering network diagnostic tools (ping, traceroute, MTR, DNS, WHOIS, HTTP, etc.) tailored for ISPs and infrastructure professionals.
 * [Kloth](http://www.kloth.net/services)
 * [Majestic](https://majestic.com) - Find out who links to your website.
+* [Mark Monitor WHOIS](https://whois-webform.markmonitor.com/whois/) - Displays domain registration information.
 * [MaxMind](https://www.maxmind.com)
 * [MetaDefender](https://metadefender.com) - Threat analysis service for URLs, files, certificates, domains, and suspicious hashes.
 * [Netcraft Site Report](http://toolbar.netcraft.com/site_report?url=undefined#last_reboot) - is an online database that will provide you a report with detail information about a particular website and the history associated with it.