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 hassig.ch

Valid
Issued by (CA)
Let's Encrypt
Subject
hassig.ch
Valid from
Jul 14, 2026
Valid until
Oct 12, 2026 (82 days remaining)
Public key
RSA 2048-bit
Serial
0546DD1A6396AF02C75DCF51CF3031438557
SHA-256 fingerprint
41:CF:2F:4D:A7:1D:C4:EF:2D:12:83:4B:B3:86:AD:D5:70:6C:5A:06:22:93:F0:FE:6D:CE:FD:85:4D:80:12:1F
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
hassig.ch, www.hassig.ch

Certificate Authority Authorization (CAA)

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