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 gas.pl
Valid- Issued by (CA)
- nazwa.pl Sp. z o.o.
- Subject
- gas.pl
- Valid from
- Dec 17, 2025
- Valid until
- Dec 16, 2026 (147 days remaining)
- Public key
- EC 384-bit
- Serial
- 3B8118DF40572292FFD10A29C38806B9
- SHA-256 fingerprint
- 53:BE:72:D0:D9:F7:EA:F9:68:5D:7C:F2:73:97:3E:A2:50:32:E1:BC:FC:D5:F2:66:B9:E1:A5:39:98:84:AA:5D
- 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.