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 feuerwehr-au.at

Valid
Issued by (CA)
Let's Encrypt
Subject
feuerwehr-au.at
Valid from
Jul 5, 2026
Valid until
Oct 3, 2026 (74 days remaining)
Public key
RSA 4096-bit
Serial
05105A0CA1CECA4968AE864FD343130496D3
SHA-256 fingerprint
58:07:9A:8B:15:1F:27:D0:15:15:F0:93:10:54:C9:CE:F3:8D:66:5B:FC:1F:10:2B:42:80:E9:14:E5:88:8F:93
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
feuerwehr-au.at, www.feuerwehr-au.at

Certificate Authority Authorization (CAA)

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