Email Header Analyzer 作者： Libor Benes
Paste raw email headers into this sidebar → instantly see IPs, emails, hop chain, SPF/DKIM/DMARC results and one-click abuse lookups. 100% offline, safe, and private.
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Email Header Analyzer is a security-focused Firefox sidebar that turns raw email headers into actionable intelligence - instantly and privately.
Paste any email header and immediately see:
• The real originating IP (with private ranges filtered).
• Every IP address with one-click links to AbuseIPDB, VirusTotal, and IPinfo.
• All email addresses with checks on Have I Been Pwned and EmailRep.io.
• Full Received chain in correct chronological order.
• SPF, DKIM, and DMARC authentication results.
• Clean buttons to copy the original header or full analysis report.
Designed for security analysts, phishing investigators, and abuse teams who need speed without sacrificing privacy.
Privacy & Security First:
• Works 100% offline — perfect for air-gapped environments.
• No network requests, no telemetry, no data collection.
• No unnecessary permissions.
• Built with secure DOM practices (no innerHTML, no eval).
• All processing happens locally in your browser.
Whether you're triaging phishing reports, investigating spam, or analyzing malware campaigns = Email Header Analyzer gives you professional-grade forensic tools in a always-available sidebar, without ever compromising your privacy.
Paste any email header and immediately see:
• The real originating IP (with private ranges filtered).
• Every IP address with one-click links to AbuseIPDB, VirusTotal, and IPinfo.
• All email addresses with checks on Have I Been Pwned and EmailRep.io.
• Full Received chain in correct chronological order.
• SPF, DKIM, and DMARC authentication results.
• Clean buttons to copy the original header or full analysis report.
Designed for security analysts, phishing investigators, and abuse teams who need speed without sacrificing privacy.
Privacy & Security First:
• Works 100% offline — perfect for air-gapped environments.
• No network requests, no telemetry, no data collection.
• No unnecessary permissions.
• Built with secure DOM practices (no innerHTML, no eval).
• All processing happens locally in your browser.
Whether you're triaging phishing reports, investigating spam, or analyzing malware campaigns = Email Header Analyzer gives you professional-grade forensic tools in a always-available sidebar, without ever compromising your privacy.
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