SSL/TLS Certificate Lookup

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

upfront.de

SSL/TLS Certificate

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SSL/TLS Certificate for upfront.de

Valid
Issued by (CA)
Amazon
Subject
upfront.de
Valid from
May 18, 2026
Valid until
Dec 1, 2026 (133 days remaining)
Public key
RSA 2048-bit
Serial
04BA8101DE3E1038791D1905E88C1A29
SHA-256 fingerprint
4E:AA:97:D0:CF:22:8E:51:47:46:1E:9C:2D:08:41:7C:FC:77:80:99:C8:71:EA:1C:39:00:AD:FD:0A:23:BF:6B
Chain
Amazon RSA 2048 M04 → Amazon Root CA 1 → Starfield Services Root Certificate Authority - G2
Subject Alternative Names (2)
upfront.de, www.upfront.de

Certificate Authority Authorization (CAA)

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