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 sl.pt

Valid
Issued by (CA)
Let's Encrypt
Subject
sl.pt
Valid from
Jul 9, 2026
Valid until
Oct 7, 2026 (77 days remaining)
Public key
RSA 2048-bit
Serial
057E3D806F8283487D9EA5ECB24BC9AFF814
SHA-256 fingerprint
37:0F:13:AB:C1:5E:2D:96:39:E2:B7:20:18:2C:A9:E7:92:16:83:27:46:3A:FD:EF:E1:77:9A:21:DA:9D:53:ED
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (1)
sl.pt

Certificate Authority Authorization (CAA)

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