SSL/TLS Certificate Lookup

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

duna.art.br

SSL/TLS Certificate

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SSL/TLS Certificate for duna.art.br

Expired
Issued by (CA)
Let's Encrypt
Subject
duna.art.br
Valid from
Mar 12, 2026
Valid until
Jun 10, 2026 (expired 41 days ago)
Public key
RSA 2048-bit
Serial
0520F06EA87B5C34A81F36CFC6F10EF7B12F
SHA-256 fingerprint
36:81:50:D8:CF:FD:DC:9E:B2:1F:85:27:FF:C0:C1:02:5F:32:27:FC:12:9E:E6:BC:E6:66:B0:9D:8B:54:37:58
Chain
R13 → ISRG Root X1
Subject Alternative Names (2)
duna.art.br, www.duna.art.br

Certificate Authority Authorization (CAA)

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