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Email Diagnostic Suite

SPF Lookup

Query public SPF records via Cloudflare DoH and spot weak policies.

Privacy-first — email content is parsed in your browser. DNS lookups (if used) go to Cloudflare DoH for domain records only — never your message body.

Tool Options

DNS queries go to Cloudflare DoH (cloudflare-dns.com). Only the domain you enter is sent — not any email content.

Results

Results will appear here…
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How It Works

Email diagnostics for admins, security teams and Softaken users.

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Paste or upload

Paste headers/EML or drop a .eml/.txt file. Message content stays on your device.

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Analyze locally

Parse MIME, authentication and routing in the browser. DNS tools use Cloudflare DoH only for record lookups.

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Export report

Copy, download TXT/CSV/JSON or print a PDF from your browser.

Email content stays in the browser. DNS tools only query public records via DoH.

About SPF Lookup

Look up SPF (v=spf1) TXT records for a domain using Cloudflare DNS-over-HTTPS. Analyze mechanisms, DNS lookup count and common misconfigurations — domain only, never email content. Part of FreeConverter’s Email Diagnostic Suite for Outlook, Exchange, Gmail and IMAP troubleshooting.

FAQs

No. Header and MIME analysis run entirely in your browser. FreeConverter servers never receive your email content.

Those tools query Cloudflare DNS-over-HTTPS from your browser. Only the domain (and DKIM selector) are sent to Cloudflare — not the email body.

Yes. FreeConverter.app browser email diagnostic tools are free to use.