kielregion.de1 observationsIssuerYR1 Let's EncryptValidity2026-10-16 to 2027-01-14Observed2026-10-17 07:08:28to2026-10-17 07:08:28SHA-2564a688502a8b6ff3391cb761f5e21e4da530760871e062c316f6b5b89bb67caae⧉