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 mgk.com.pl

Valid
Issued by (CA)
Let's Encrypt
Subject
mgk.com.pl
Valid from
Jun 15, 2026
Valid until
Sep 13, 2026 (54 days remaining)
Public key
EC 256-bit
Serial
063C24FA953E4B6DD309ACC7BF945C1AB208
SHA-256 fingerprint
4B:77:D5:9E:19:CA:26:ED:7C:2F:65:9A:36:37:89:40:9B:D8:AA:97:14:81:EA:10:A0:4E:31:C8:3A:FF:A2:4A
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
mgk.com.pl, www.mgk.com.pl

Certificate Authority Authorization (CAA)

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