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 lako.pl
Valid- Issued by (CA)
- nazwa.pl Sp. z o.o.
- Subject
- *.lako.pl
- Valid from
- Jun 15, 2026
- Valid until
- Dec 14, 2026 (145 days remaining)
- Public key
- EC 384-bit
- Serial
- 72B75297F5D66ED00DC08F50A4511BB4
- SHA-256 fingerprint
- 04:86:DC:E9:A7:E0:E4:A4:32:EF:8E:BC:CF:D2:FA:86:8E:3D:53:39:C7:DA:42:CE:A1:70:93:6F:77:2E:8B:DE
- Chain
- nazwaSSL DV TLS G2 E29 CA → Certum EC-384 CA → Certum Trusted Network CA
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.