SSL/TLS Certificate Lookup

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

siegen.de

SSL/TLS Certificate

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SSL/TLS Certificate for siegen.de

Valid
Issued by (CA)
Let's Encrypt
Subject
siegen.de
Valid from
Jun 29, 2026
Valid until
Sep 27, 2026 (68 days remaining)
Public key
EC 256-bit
Serial
05D9A75C705BFB315FC6AADF9C70EDE27B44
SHA-256 fingerprint
BE:D3:A4:CF:40:A5:CD:1B:25:E3:C1:2A:BF:A7:05:B6:F6:99:DC:01:CC:A4:0F:0D:BB:3F:98:D7:93:BB:BD:B0
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
siegen.de, www.siegen.de

Certificate Authority Authorization (CAA)

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