Break down a pasted SPF policy into mechanisms and qualifiers. This does not expand include chains or evaluate DNS lookup limits.
Break down a pasted SPF policy into mechanisms, qualifiers and modifiers.
Runs locally in this browser. Input is not sent or saved.
This is a text explainer, not DNS lookup or SPF evaluation. It cannot expand include or redirect chains, count their recursive DNS lookups, or determine which sending hosts are authorized. Read SPF specification (RFC 7208).
Break down a pasted SPF policy into mechanisms and qualifiers. This does not expand include chains or evaluate DNS lookup limits.
Review the limits and privacy notes shown with the tool. Important configuration or security decisions should be checked against authoritative systems and your organization’s approved procedures.
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