SSL/TLS Certificate Lookup

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

metform.com.br

SSL/TLS Certificate

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SSL/TLS Certificate for metform.com.br

Expired
Issued by (CA)
Let's Encrypt
Subject
metform.com.br
Valid from
Jan 29, 2024
Valid until
Apr 28, 2024 (expired 814 days ago)
Public key
RSA 4096-bit
Serial
04ABB673AFAA79CEA996147DA280F683F35F
SHA-256 fingerprint
A4:78:EA:DB:E1:E6:E3:33:38:45:59:01:88:A4:41:F6:05:F1:11:5F:54:5E:5A:06:FE:D1:63:DE:82:E2:1B:B5
Chain
R3 → ISRG Root X1
Subject Alternative Names (2)
metform.com.br, www.metform.com.br

Certificate Authority Authorization (CAA)

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