SSL/TLS Certificate Lookup

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

semphatic.de

SSL/TLS Certificate

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SSL/TLS Certificate for semphatic.de

Valid
Issued by (CA)
Let's Encrypt
Subject
semphatic.de
Valid from
Jun 26, 2026
Valid until
Sep 24, 2026 (64 days remaining)
Public key
RSA 4096-bit
Serial
05A1C52C12A9CD7C29E0BCFDAEB58222D1B6
SHA-256 fingerprint
5A:E0:46:B9:FF:AB:38:2D:DB:C8:37:C4:07:98:76:B4:BF:54:26:B9:DA:1A:0E:E2:DC:D0:0A:59:7D:5D:2A:67
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
semphatic.de, www.semphatic.de

Certificate Authority Authorization (CAA)

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