rcs.ac.th1 observationsIssuerYE2 Let's EncryptValidity2026-08-31 to 2026-11-29Observed2026-10-03 18:40:38to2026-10-03 18:40:38SHA-25621b4ff5ffa2ab066f018a6ff2821539b9651bbeca411cad883639a488e326098⧉