*.cartaodecredito.net.br3 observationsIssuerYE2 Let's EncryptValidity2026-09-13 to 2026-12-12Observed2026-10-04 16:00:14to2026-10-18 13:50:39SHA-256f21c5e50ae6a1d402b51021adc7d11c42c4a974414f1005b8aa8db83895a1ba2⧉