SSL/TLS Certificate Lookup

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

weier-duisburg.de

SSL/TLS Certificate

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SSL/TLS Certificate for weier-duisburg.de

Valid
Issued by (CA)
ZeroSSL GmbH
Subject
weier-duisburg.de
Valid from
Jun 19, 2026
Valid until
Sep 17, 2026 (58 days remaining)
Public key
RSA 2048-bit
Serial
432216C5E318FB773E0BF03C3A032B71
SHA-256 fingerprint
CC:48:42:71:5A:CF:42:28:CD:EB:5C:87:17:13:1B:8A:38:00:ED:7C:EE:3E:63:2F:49:92:24:B3:77:1F:D3:50
Chain
ZeroSSL RSA DV SSL CA 2 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
weier-duisburg.de, www.weier-duisburg.de

Certificate Authority Authorization (CAA)

The serving CA (ZeroSSL GmbH) is authorized by this domain's CAA records (letsencrypt.org, sectigo.com).