SSL/TLS Certificate Lookup

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

proiber.com

SSL/TLS Certificate

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SSL/TLS Certificate for proiber.com

Valid
Issued by (CA)
Let's Encrypt
Subject
proiber.pt
Valid from
May 28, 2026
Valid until
Aug 26, 2026 (35 days remaining)
Public key
RSA 2048-bit
Serial
053E16144CF7EC1FA5FB232708E11AEA8EA6
SHA-256 fingerprint
56:10:CD:7A:1B:6D:E8:4C:05:46:52:57:E4:67:FF:3E:E1:0B:EE:DF:AF:62:14:A1:94:14:CA:6A:8B:00:D9:EB
Chain
R12 → ISRG Root X1
Subject Alternative Names (5)
proiber.com, proiber.pt, webmail.proiber.pt, www.proiber.com, www.proiber.pt

Certificate Authority Authorization (CAA)

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