SSL/TLS Certificate Lookup

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

dr-kiefner.de

SSL/TLS Certificate

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SSL/TLS Certificate for dr-kiefner.de

Valid
Issued by (CA)
Sectigo Limited
Subject
dr-kiefner.de
Valid from
Jan 10, 2026
Valid until
Jan 31, 2027 (195 days remaining)
Public key
RSA 2048-bit
Serial
7879349294102E48BEEED8AD8C3B6F75
SHA-256 fingerprint
27:8C:DF:99:92:69:F6:D3:60:3B:36:43:00:58:A9:94:EA:E0:C4:48:6D:6E:8C:20:D9:84:AB:C6:50:9F:84:DC
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
dr-kiefner.de, www.dr-kiefner.de

Certificate Authority Authorization (CAA)

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