Email Header Analyzer
Paste the raw headers of any email to see who sent it, its full delivery path hop-by-hop, and its SPF/DKIM/DMARC authentication results.
Email Header Analyzerの使い方
- 1
Open the suspicious or interesting email and find its raw headers ("Show original" in Gmail, "View message source" in Outlook).
- 2
Paste the full raw headers into the box.
- 3
Review the sender details, delivery path and SPF/DKIM/DMARC results.
Email Header Analyzerの機能
- Parses the full Received header chain into a readable hop-by-hop delivery path with timing.
- Extracts SPF, DKIM and DMARC authentication results when present.
- Runs entirely in your browser — the header text is never sent to a server.
Tool Kingが選ばれる理由
高速
待ち時間や登録は不要。ほとんどのファイルは数秒で完成します。
プライバシー重視
ファイルはメモリ上で処理され、処理後すぐに破棄されます — 保存や共有は一切されません。
無料
すべてのツールが無料で、基本機能に隠れた制限はありません。
よくある質問
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