SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

heemsen.de

SSL/TLS Certificate

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SSL/TLS Certificate for heemsen.de

Valid
Issued by (CA)
Let's Encrypt
Subject
heemsen.de
Valid from
May 27, 2026
Valid until
Aug 25, 2026 (35 days remaining)
Public key
EC 384-bit
Serial
062494ECB58C3FF191AD1C7A3FB1031464CE
SHA-256 fingerprint
A7:FB:83:09:DE:8D:88:55:40:13:AA:4D:C2:77:CD:B9:23:62:E7:9A:89:28:28:0E:82:5A:D1:7E:F0:DB:BF:D1
Chain
E8 → ISRG Root X1
Subject Alternative Names (2)
heemsen.de, www.heemsen.de

Certificate Authority Authorization (CAA)

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