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 karusek.com.pl

Valid
Issued by (CA)
Let's Encrypt
Subject
karusek.com.pl
Valid from
Jul 8, 2026
Valid until
Oct 6, 2026 (77 days remaining)
Public key
EC 384-bit
Serial
05B681A495BF155DA1B79E0A8C7017D45825
SHA-256 fingerprint
C6:E8:46:98:94:9F:0C:1D:F5:EA:22:8F:68:22:C2:92:DA:0E:BC:4F:13:57:06:FA:96:DC:B1:1C:32:ED:91:F6
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (1)
karusek.com.pl

Certificate Authority Authorization (CAA)

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