duke.edu — Certificate History

View SSL certificate change history for duke.edu.

Last Checked: 2026-06-08T12:00:27Z · Issuer: Internet2

ObservedValid FromValid ToIssuerFingerprint
2026-06-06T10:16:54Z2026-04-22 00:00:002026-11-06 23:59:59Internet2e3fa5f9f97d49604…

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