Email Header Analyzer
Paste the raw headers from an email you've already received (in Gmail: Show original; in Outlook: Message options → Internet headers) to see its Received chain, SPF/DKIM/DMARC results, and hop delays.
Paste the raw headers from an email you've already received (in Gmail: Show original; in Outlook: Message options → Internet headers) to see its Received chain, SPF/DKIM/DMARC results, and hop delays.