• Agari/Fortra: DMARC Record Generator
• dmarcian.com: DMARC Record Wizard
• dmarcly.com: BIMI, DKIM, DMARC, SPF record generators; or an end-to-end record creation wizard
• easydmarc.com: BIMI, DKIM, DMARC, SPF record generators
• Global Cyberalliance: DMARC Setup Guide (also covers SPF, DKIM)
• Scott Kitterman’s DMARC Record Assistant
• Proofpoint: DMARC Record Creation Wizard (registration required)

• Agari/Fortra: DKIM, DMARC, and SPF lookup tools
• dmarcian.com: DKIM Validator, DMARC Inspector, and SPF Surveyor
• dmarcly.com: BIMI, DKIM, DMARC, SPF record checkers
• easydmarc.com: BIMI, DKIM, DMARC, and SPF record lookup
• Scott Kitterman’s SPF Record Testing Tools
• Mimecast (dmarcanalyzer.com): Validate DKIM record or Validate SPF Record
• Proofpoint: BIMI, DMARC, and SPF Record/a> Check (registration required)

Send a message to the following services, where it will be evaluated according to several authentication systems. For message reflectors, send an email message from the domain you wish to check, and a report will be sent back.

• AboutMy.email, a free service focused on compliance with Google/Yahoo commercial sender policies
• Message reflector: autoreply@dmarctest.org at dmarctest.org (back in service, March 2025)
• Message reflector: check-auth@verifier.port25.com by Port25 (instructions – DK, DKIM, Sender-ID, SPF) (out of order)
• Message reflector: checkmyauth@auth.returnpath.net by Return Path (DK, DKIM, DMARC, Sender-ID, SPF) (out of order)
• Message reflector: mailtest@unlocktheinbox.com by Unlock The Inbox (DK, DKIM, DMARC, Sender-ID, SPF) (out of order)
• DMARC, DKIM and SPF Test System at NIST (offline)
• Red Sift’s Investigate service shows DKIM, DMARC, and SPF results
• The Validator (of DKIM, DMARC and SPF – registration required) by Message Systems (offline)

• dmarcian.com DMARC XML-to-Human Converter