SPF, DKIM & DMARC Checker
Free SPF, DKIM and DMARC checker. Validate a domain's email authentication records and MX so your outreach and launch emails reach the inbox.
About the SPF, DKIM & DMARC Checker
Gmail and Yahoo require SPF or DKIM for all senders and DMARC for bulk senders. Without them, cold outreach and launch announcements land in spam. DKIM selectors vary by provider, so add yours if it isn't auto-detected.
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FAQ
Is the SPF, DKIM & DMARC Checker free?
Yes. The SPF, DKIM & DMARC Checker is completely free, with no account, trial or credit card. To keep it fast for everyone, each visitor gets a fair-use rate limit.
Do you store what I check?
No. Our server fetches the URL or domain you enter, sends the result back to your browser and doesn't keep it. We only fetch public addresses.
What should I do after using it?
Fix what it found, then launch your product on ShipX: a free launch gives you a permanent product page with a dofollow link back to your site. Launch on ShipX
Ready to launch?
Launch free on ShipX and get a permanent product page with a dofollow link to your site. No audience required.