SSL/TLS Certificate Lookup

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

cupserver.net

SSL/TLS Certificate

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SSL/TLS Certificate for cupserver.net

Valid
Issued by (CA)
Google Trust Services
Subject
cupserver.net
Valid from
Jun 3, 2026
Valid until
Sep 2, 2026 (42 days remaining)
Public key
EC 256-bit
Serial
1EAD074150B9A45F13C72E7A5984D123
SHA-256 fingerprint
72:18:7E:28:4A:F0:4E:E7:35:DA:CC:33:FB:41:7E:AF:45:B5:62:E8:3E:6F:B7:65:B6:D6:D2:07:88:5C:92:98
Chain
WE1 → GTS Root R4
Subject Alternative Names (2)
*.cupserver.net, cupserver.net

Certificate Authority Authorization (CAA)

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