gitbook.io — Certificate History

View SSL certificate change history for gitbook.io.

Last Checked: 2026-06-13T12:00:41Z · Issuer: Google Trust Services

ObservedValid FromValid ToIssuerFingerprint
2026-06-07T12:19:39Z2026-06-07 08:46:022026-09-05 09:45:49Google Trust Servicesf6a80962f33982bf…
2026-06-07T03:44:15Z2026-04-09 08:26:082026-07-08 09:25:56Google Trust Services5ae395a51089a2cd…

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