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Email Diagnostic Suite

MX Record Lookup

See which hosts receive mail for a domain — via Cloudflare DoH.

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. Only the domain is sent.

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 MX Record Lookup

Look up MX records for a domain via Cloudflare DNS-over-HTTPS. See preference order and provider heuristics (Google, Microsoft 365, Zoho and more). 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.