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 tomfri.de

Valid
Issued by (CA)
Let's Encrypt
Subject
tomfri.de
Valid from
Jun 29, 2026
Valid until
Sep 27, 2026 (68 days remaining)
Public key
EC 256-bit
Serial
05FBDF5A77A22552DF77BC88D7177D3FB1BA
SHA-256 fingerprint
1D:F1:E8:C6:5B:6A:67:EC:D4:8D:24:43:87:65:CD:FD:4E:02:EA:05:F6:B2:4B:24:59:CB:D5:04:39:D7:AA:36
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (1)
tomfri.de

Certificate Authority Authorization (CAA)

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