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Free DMARC/DKIM/SPF Checker — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Email →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
easydmarc.co.uk ↗	67 match 2 shared topics	EasyDMARC \| Your DMARC Journey Made Simple	United Kingdom en	email Weebly	robots llmsaihumans	emailphone	none
sharpdmarc.com ↗	65 match 2 shared topics	SharpDMARC — DMARC Report Analysis	en	information-and-network-security	robotsllmsaihumans	emailphone	none
checkemailage.com ↗	64 match 2 shared topics	Check Email Age – Instantly Verify Email Authenticity \| 14.6 Billion+ Records	en	information-and-network-security	robotsllmsaihumans	emailphone	none
phishtoolbox.com ↗	63 match 2 shared topics	Email Spoof Test	en	information-and-network-security	robotsllmsaihumans	emailphone	none
phishfacts.com ↗	63 match 2 shared topics	Email Spoof Test	en	information-and-network-security	robotsllmsaihumans	emailphone	none
phishgrade.com ↗	63 match 2 shared topics	Email Spoof Test	en	information-and-network-security	robotsllmsaihumans	emailphone	none
phishingtoolbox.com ↗	63 match 2 shared topics	Email Spoof Test	en	information-and-network-security	robotsllmsaihumans	emailphone	none
1sec-mail.com ↗	62 match 2 shared topics	Temp Mail \| Online Disposable Email \| 1SecMail	en	email	robotsllmsaihumans	emailphone	none
checkor.com ↗	62 match 2 shared topics	Check an Open Relay	en	information-and-network-security	robotsllmsaihumans	emailphone	none
phishivox.com ↗	62 match 2 shared topics	Phishivox — The voice that warns you before you click	en	information-and-network-security	robotsllmsaihumans	emailphone	none
atabuse.com ↗	62 match 2 shared topics	AtAbuse \| Anti-Abuse Security Tools & Resources	en	information-and-network-security	robotsllmsaihumans	emailphone	none
tspindler.com ↗	62 match 2 shared topics	SimpleLogin \| Open source anonymous email service	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
4ourteenth.com ↗	62 match 2 shared topics	Homepage - Contact Camo	en	email WordPress	robotsllmsaihumans	emailphone	none
microbilgi.com ↗	62 match 2 shared topics	Ücretsiz E-Posta Güvenlik Taraması \| Micro Bilgi Teknolojileri	Turkey~ en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
4securemail.net ↗	61 match 2 shared topics	4SecureMail - Professional Secure Email for Business & Individuals	en	email	robotsllmsaihumans	emailphone	none
4securemail.com ↗	61 match 2 shared topics	4SecureMail - Professional Secure Email for Business & Individuals	en	email	robotsllmsaihumans	emailphone	none
guardmyemail.com ↗	61 match 2 shared topics	Guard My Email - Free Email Scam Detection Service	en	information-and-network-security	robotsllmsaihumans	emailphone	none
kdwillsecurity.com ↗	61 match 2 shared topics	KDWill Security \| Email Deliverability and Authentication	en	email	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.