SSL/TLS Certificate Lookup

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

opusi.cam

SSL/TLS Certificate

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SSL/TLS Certificate for opusi.cam

Valid
Issued by (CA)
Let's Encrypt
Subject
opusi.cam
Valid from
Jun 1, 2026
Valid until
Aug 30, 2026 (39 days remaining)
Public key
RSA 2048-bit
Serial
061C0500C2848EBAD42A9925566FD0DAD4DB
SHA-256 fingerprint
E6:F5:CE:93:1B:DD:CB:23:96:67:AD:8F:75:FF:BB:19:18:BB:2B:C5:9A:2B:DF:CD:A1:FF:20:15:5B:72:0C:7E
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (1)
opusi.cam

Certificate Authority Authorization (CAA)

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