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Tools

DMARC Check

Check the domain DMARC policy: how to handle emails that failed SPF and DKIM.

Check a domain DMARC record

The tool looks up the TXT record on the _dmarc subdomain of your domain and shows the active DMARC policy: level (none / quarantine / reject), rua/ruf report addresses, application percentage and alignment modes. DMARC is the "lock" on top of SPF and DKIM that tells mail systems what to do with forged emails.

Without DMARC your domain is open to phishing in your name, and since 2024 Gmail and Outlook require DMARC for bulk senders. If there is no record or it is p=none with no hardening plan — start with monitoring and gradually move to quarantine and reject. Generate a correct record with our DMARC generator.

FAQ

What is DMARC?
DMARC is a DNS policy telling mail systems how to handle emails that fail SPF or DKIM: allow, spam or reject.
What do p=none, quarantine, reject mean?
p=none only collects reports, p=quarantine sends suspicious mail to spam, p=reject rejects it entirely. Start with none, then tighten.
What is rua?
rua is the address where reports about your mail checks are sent. They show who tries to send emails as you.
Does DMARC work without SPF?
No. DMARC relies on SPF and DKIM. Set them up first, then add the DMARC policy.
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