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SPF Checker

Validate SPF TXT records and lookup counts.

How it works

Check live SPF for any domain

Look up apex TXT for v=spf1, then validate syntax, lookup count, and all policy — free in your browser with MailShrine.

Or start from a real-life example

Results appear here after you click Check SPF.

Sending via API? MailShrine Developer API needs the same SPF / DKIM / DMARC setup as any other ESP.

Get Developer APISPF / DKIM / DMARC setup guideMore DNS & auth checkers