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 nusuk.ch

Valid
Issued by (CA)
Let's Encrypt
Subject
www.nusuk.ch
Valid from
Jul 19, 2026
Valid until
Oct 17, 2026 (88 days remaining)
Public key
RSA 2048-bit
Serial
050BF216ED8D62656BC3162309FBFC7768D4
SHA-256 fingerprint
7F:89:F1:BC:A5:5B:7B:F3:BF:1C:56:2D:B4:2E:05:7B:53:40:14:F1:9D:19:03:E6:A8:26:9B:E9:2C:E8:D4:DC
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
nusuk.ch, www.nusuk.ch

Certificate Authority Authorization (CAA)

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