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SPF Checker

Prepare to inspect the SPF record published for a sending domain through InboxAI Domain Health.

SPF CHECKER

Check a domain's SPF configuration.

Run a real SPF diagnostic through InboxAI Deliverability Cloud. The browser sends your request only to the InboxAI Website boundary, which performs the protected server-side check.

Protected diagnosticCloudflare verifies this public request before InboxAI performs the server-side check.
Your browser sends this request only to the InboxAI Website. DNS execution occurs server-side through InboxAI Deliverability Cloud.

DIAGNOSTIC SCOPE

What this checker inspects

These are the areas evaluated by the corresponding Domain Health diagnostic. Results come from real network evidence and are not simulated findings.

Published SPF TXT record

SPF syntax and structural findings

Include and redirect mechanisms

Lookup-related diagnostic findings

Policy and configuration guidance

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Diagnostic result, not a delivery guarantee

SPF, DKIM and DMARC configuration is only one part of email deliverability. Inbox placement also depends on sender reputation, message quality, recipient behaviour, mailbox-provider systems and other factors.

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