SSL/TLS Certificate Lookup

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

altbach.net

SSL/TLS Certificate

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SSL/TLS Certificate for altbach.net

Expired
Issued by (CA)
Sectigo Limited
Subject
*.cmcitymedia.de
Valid from
Jun 18, 2025
Valid until
Jul 19, 2026 (expired 1 day ago)
Public key
RSA 2048-bit
Serial
190BF744EF15C37671192C95486600A9
SHA-256 fingerprint
0D:15:9C:C3:CB:C8:64:96:34:2B:3F:D6:A5:A3:54:7F:17:59:20:8E:FE:EB:2A:17:01:AF:B4:51:31:9D:32:47
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
*.cmcitymedia.de, cmcitymedia.de

Certificate Authority Authorization (CAA)

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