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 kalpab.com.pl

Valid
Issued by (CA)
nazwa.pl Sp. z o.o.
Subject
kalpab.com.pl
Valid from
Oct 30, 2025
Valid until
Oct 29, 2026 (100 days remaining)
Public key
EC 384-bit
Serial
6B9C92673B7C0618F9F2417BF6305641
SHA-256 fingerprint
0A:5B:A9:0D:6C:F0:C3:2F:3B:5D:1E:2B:43:70:49:8F:CB:08:3A:C5:72:08:C8:14:07:D2:8B:49:92:9F:E7:3B
Chain
nazwaSSL DV TLS G2 E29 CA → Certum EC-384 CA → Certum Trusted Network CA
Subject Alternative Names (2)
kalpab.com.pl, www.kalpab.com.pl

Certificate Authority Authorization (CAA)

CAA restricts issuance to certum.pl, letsencrypt.org; we couldn't map the serving CA (nazwa.pl Sp. z o.o.) to one of these identifiers.