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 profun.de

Valid
Issued by (CA)
Let's Encrypt
Subject
profun.de
Valid from
May 26, 2026
Valid until
Aug 24, 2026 (34 days remaining)
Public key
RSA 2048-bit
Serial
06A766C55640901ED8368988890B0C4C48A4
SHA-256 fingerprint
5C:BC:FE:D7:C1:45:65:92:AE:54:10:33:D7:E1:56:FC:9D:7D:5F:CC:1C:2D:7D:7A:8F:6C:2C:93:F7:C8:F0:89
Chain
R13 → ISRG Root X1
Subject Alternative Names (3)
profun.de, webmail.profun.de, www.profun.de

Certificate Authority Authorization (CAA)

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