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 komerc.pl

Valid
Issued by (CA)
Let's Encrypt
Subject
komerc.pl
Valid from
Jun 9, 2026
Valid until
Sep 7, 2026 (47 days remaining)
Public key
EC 384-bit
Serial
06E1946EDFE071207296AC94AFFB844CD06D
SHA-256 fingerprint
86:0E:8B:31:77:26:AA:F1:65:F2:E1:5D:BA:68:90:AC:1C:6E:33:29:F9:CF:0C:78:2D:04:6A:AB:AB:D1:EF:91
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (3)
komerc.pl, sklep.komerc.pl, www.komerc.pl

Certificate Authority Authorization (CAA)

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