Invoice fraud · domain spoofing
Your customer pays the scammer's bank account. You only find out when they ask why their order never shipped. DMARC Guardian locks down your domain, tells you who is forging it, and pages you the moment a DNS change breaks your protection — before the next invoice goes out.
Free domain check
No signup. Takes 15 seconds.
Google, Microsoft, and Yahoo already tell you who is impersonating you — in unreadable XML no one opens. We turn those reports into a dashboard that names the forger, the break, and the fix, before the next fake invoice goes out.
Type your domain. We tell you — in plain English — whether a scammer could send a fake invoice from it right now. No signup, no card.
Every provider your domain talks to reports back on who is pretending to be you. We turn those reports into a list of senders — before one of their fakes hits a customer.
One bad copy-paste by your provider and your protections go dark. We keep live DNS under watch and page you the moment a record drifts out of policy.
When your real emails start landing in spam, minutes matter. We track pass/fail over time per sender so you catch a broken key before your reset emails stop working.
Email and webhook alerts fire the instant a forged message is detected or DMARC enforcement slips. Daily digests so nothing rots in a queue for a week.
Multi-org with role-based access. Admins manage their own domain without ever seeing someone else's reports — because "we share a login" is how incidents happen.
Five minutes, one DNS record. No agents, no firewall rules, no SDK.
01
This single TXT record tells every mail provider on earth to report forgeries to us — and to quarantine the obvious ones immediately.
_dmarc.your.domain TXT
"v=DMARC1; p=quarantine;
rua=mailto:dmarc@dmarc-guardian.com"
02
Gmail, Microsoft, and Yahoo start sending us reports of everyone trying to send as you. No action needed on your side — we handle the inbox, the parsing, the cleanup.
03
When something goes wrong we tell you who did it, which record broke, and the exact line to change. No learn-DMARC-first detour.
Find out who is forging your domain today. 90-day free trial. No credit card.
See pricing →EU
Data hosted in Europe
GDPR
Fully compliant
90d
Historical reports
24h
Support response