*.kfnet.ca1 observationsIssuerYR2 Let's EncryptValidity2026-06-23 to 2026-09-21Observed2026-08-24 16:54:09to2026-08-24 16:54:09SHA-256d6164bbeb02ecc9f05028b505961bf0efbdaf3be1c7cef4e33306c53dea6d94d⧉