SSL/TLS Certificate Lookup

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

katter.de

SSL/TLS Certificate

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SSL/TLS Certificate for katter.de

Valid
Issued by (CA)
Sectigo Limited
Subject
*.katter.de
Valid from
Nov 17, 2025
Valid until
Dec 1, 2026 (134 days remaining)
Public key
RSA 2048-bit
Serial
C82E627825E596C68F656C6DDAFC6FCF
SHA-256 fingerprint
FB:8E:7A:A3:16:12:37:A8:2F:49:62:C1:E7:A5:08:23:9B:C0:46:20:DB:54:4D:D3:BB:0A:BD:4A:16:07:A7:AF
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
*.katter.de, katter.de

Certificate Authority Authorization (CAA)

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