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SPF Validator

Check SPF records and view all authorized mail servers for your domain.

DNSspfvalidatoremailauthentication🔒 Browser-only

📋 How to use SPF Validator

  1. 1Enter domain
  2. 2View SPF record and mechanisms
  3. 3Check authorized mail servers

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Check SPF records to verify which mail servers are authorized to send emails on behalf of your domain.

Examples

Check Shopify store SPF

Input: "store.example.com"
Output: "v=spf1 include:sendgrid.net ~all (SPF policy found)"

Frequently Asked Questions

What does 'v=spf1' mean?▾

SPF version 1. It tells receivers which servers can send email on behalf of your domain.

What about ~all vs -all?▾

~all (soft fail) = accept anyway but mark as suspicious. -all (hard fail) = reject if not in SPF.

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