SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

chresta.ch

SSL/TLS Certificate

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SSL/TLS Certificate for chresta.ch

Valid
Issued by (CA)
Let's Encrypt
Subject
chresta.ch
Valid from
May 24, 2026
Valid until
Aug 22, 2026 (32 days remaining)
Public key
RSA 4096-bit
Serial
063C1B1352034A722A55F66963C589F668FD
SHA-256 fingerprint
9D:2E:EB:83:71:94:64:BF:D8:63:F7:99:8A:AB:24:FE:EA:58:3F:65:5D:D6:57:91:5D:A2:A7:A4:70:70:DA:5D
Chain
R13 → ISRG Root X1
Subject Alternative Names (3)
chresta.ch, dev.chresta.ch, www.chresta.ch

Certificate Authority Authorization (CAA)

The serving CA (Let's Encrypt) is authorized by this domain's CAA records (digicert.com, letsencrypt.org).