SSL/TLS Certificate Lookup

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

SSL/TLS Certificate for arg-schweiz.ch

Expiring soon
Issued by (CA)
Let's Encrypt
Subject
*.arg-schweiz.ch
Valid from
May 7, 2026
Valid until
Aug 5, 2026 (15 days remaining)
Public key
RSA 4096-bit
Serial
06DFA2095EAC2B84F8B1B416716A36BCD91F
SHA-256 fingerprint
AC:DC:69:B8:06:4F:1B:29:AB:00:47:57:A0:BA:FA:B2:AF:41:A6:48:00:63:2A:C0:C3:A4:4B:23:9D:7B:E9:DD
Chain
R13 → ISRG Root X1
Subject Alternative Names (2)
*.arg-schweiz.ch, arg-schweiz.ch

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.