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 explica.pt

Valid
Issued by (CA)
Let's Encrypt
Subject
explica.pt
Valid from
May 27, 2026
Valid until
Aug 25, 2026 (35 days remaining)
Public key
RSA 4096-bit
Serial
052102529D268C36C5E812C849C7155BC05C
SHA-256 fingerprint
6A:86:6D:1C:3E:D9:D6:8D:10:A6:47:BE:30:23:1E:1A:E8:BF:AE:9E:5E:F6:40:FB:38:DC:4C:23:02:73:96:E6
Chain
R13 → ISRG Root X1
Subject Alternative Names (2)
explica.pt, www.explica.pt

Certificate Authority Authorization (CAA)

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

This certificate has been served since Jul 21, 2026.