SSL/TLS Certificate Lookup

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

katz-stb.de

SSL/TLS Certificate

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SSL/TLS Certificate for katz-stb.de

Valid
Issued by (CA)
Sectigo Limited
Subject
*.katz-stb.de
Valid from
Apr 6, 2026
Valid until
Oct 17, 2026 (88 days remaining)
Public key
RSA 2048-bit
Serial
75FCD42084E862AB25B3A98F96A5B1AC
SHA-256 fingerprint
4B:71:3A:FC:70:03:3B:ED:DD:50:CC:76:1A:4A:F6:F0:88:AC:15:43:3E:3E:73:AB:20:F0:89:4E:38:B9:E4:8A
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
*.katz-stb.de, katz-stb.de

Certificate Authority Authorization (CAA)

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