SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

litwin.pl

SSL/TLS Certificate

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SSL/TLS Certificate for litwin.pl

Valid
Issued by (CA)
nazwa.pl Sp. z o.o.
Subject
litwin.pl
Valid from
Aug 26, 2025
Valid until
Aug 25, 2026 (34 days remaining)
Public key
EC 384-bit
Serial
5DB10064BF13627F65035A2F9521B766
SHA-256 fingerprint
9D:93:9F:C0:86:0D:45:75:1D:D2:15:01:5D:56:DD:F8:64:6F:B8:15:D9:95:22:5F:86:F3:88:94:D5:44:C7:C8
Chain
nazwaSSL DV TLS G2 E29 CA → Certum EC-384 CA → Certum Trusted Network CA
Subject Alternative Names (2)
litwin.pl, www.litwin.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.