SSL/TLS Certificate Lookup

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

klaes-bau.de

SSL/TLS Certificate

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SSL/TLS Certificate for klaes-bau.de

Valid
Issued by (CA)
Let's Encrypt
Subject
klaes-bau.de
Valid from
Jul 12, 2026
Valid until
Oct 10, 2026 (81 days remaining)
Public key
RSA 4096-bit
Serial
05B53235FCBC0035C04CAE7C23FD89A4D160
SHA-256 fingerprint
3C:B6:A0:D5:45:18:D6:81:5A:A2:E5:D6:FF:80:86:B6:E9:7C:A6:C0:CA:2C:BF:AC:91:04:7D:DA:B8:9C:19:BE
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
klaes-bau.de, www.klaes-bau.de

Certificate Authority Authorization (CAA)

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