About SPF Checker
Use this SPF checker to verify sender authorization policy published by a domain.
Find and validate SPF TXT records for a domain.
Free Network Tool
SPF Checker
Find and validate SPF TXT records for a domain.
Examples
Enter a value above and run the lookup.
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SPF Checker FAQ
What is SPF?
SPF is an email authentication policy published in TXT records to define which senders are allowed to send mail for a domain.
Why is SPF important?
SPF helps reduce spoofing and improves email authentication posture.