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 haffa-tiefbau.ch

Valid
Issued by (CA)
Let's Encrypt
Subject
haffa-tiefbau.ch
Valid from
May 29, 2026
Valid until
Aug 27, 2026 (37 days remaining)
Public key
RSA 2048-bit
Serial
060DF8448CC94266CB321A90818CCC47F8B8
SHA-256 fingerprint
5B:6E:CD:0C:3B:2C:32:0D:71:18:4A:1B:EA:E7:67:ED:2A:C4:EE:38:EA:EE:D9:4A:70:2C:50:07:5C:BB:55:DD
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
*.haffa-tiefbau.ch, haffa-tiefbau.ch

Certificate Authority Authorization (CAA)

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