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 lappa.com.pl

Valid
Issued by (CA)
Let's Encrypt
Subject
lappa.com.pl
Valid from
Jun 2, 2026
Valid until
Aug 31, 2026 (41 days remaining)
Public key
RSA 2048-bit
Serial
064FE6D70B63B93D22A2DCA48AB22D749286
SHA-256 fingerprint
C5:D1:E0:7E:57:7B:AF:39:EA:24:11:21:7D:2D:FC:D9:05:C5:75:3A:C7:72:F8:40:8E:9A:02:8D:4B:BC:F3:4E
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
lappa.com.pl, www.lappa.com.pl

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 20, 2026.