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 dasa.pl
Valid- Issued by (CA)
- nazwa.pl Sp. z o.o.
- Subject
- dasa.pl
- Valid from
- Dec 2, 2025
- Valid until
- Dec 2, 2026 (133 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 1799A8BCEECFAA8F6BB74FF705CE85A3
- SHA-256 fingerprint
- 14:AD:B4:14:11:5E:C1:06:59:65:A5:AA:D5:97:C8:97:3D:4D:57:26:DA:73:03:EE:8C:73:90:75:CB:47:43:11
- Chain
- nazwaSSL DV TLS G2 R29 CA → Certum Trusted Root 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.