SSL/TLS Certificate Lookup

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

tjoa.info

SSL/TLS Certificate

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SSL/TLS Certificate for tjoa.info

Expired
Issued by (CA)
Let's Encrypt
Subject
students.fhstp.ac.at
Valid from
Mar 26, 2026
Valid until
Jun 24, 2026 (expired 27 days ago)
Public key
RSA 2048-bit
Serial
05012188961CB99BBBE76D4C11A6B2EEBFC8
SHA-256 fingerprint
E8:B0:8D:11:65:CC:F6:4B:F7:5A:CA:77:77:02:E3:4B:48:F7:BD:43:2D:B8:2F:30:C4:5D:EA:AF:88:16:02:1B
Chain
R13 → ISRG Root X1
Subject Alternative Names (2)
*.students.fhstp.ac.at, students.fhstp.ac.at

Certificate Authority Authorization (CAA)

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