SSL/TLS Certificate Lookup

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

SSL/TLS Certificate for af-architectura.pt

Valid
Issued by (CA)
Let's Encrypt
Subject
af-architectura.pt
Valid from
Jul 5, 2026
Valid until
Oct 3, 2026 (74 days remaining)
Public key
EC 256-bit
Serial
05BC576C6C9035F16A65D5ACED268B03C2D3
SHA-256 fingerprint
DE:50:FD:F9:30:C9:BB:E7:04:1E:F9:3B:0C:1E:33:49:7E:4C:90:56:29:97:8C:DF:B3:71:C0:74:8F:82:0C:A5
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
*.af-architectura.pt, af-architectura.pt

Certificate Authority Authorization (CAA)

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