SSL/TLS Certificate Lookup

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

polineo.pl

SSL/TLS Certificate

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SSL/TLS Certificate for polineo.pl

Valid
Issued by (CA)
cyber_Folks S.A.
Subject
*.polineo.pl
Valid from
Jul 20, 2026
Valid until
Feb 4, 2027 (198 days remaining)
Public key
RSA 2048-bit
Serial
63F38A649F7F892A24530ADE2A27A6E6
SHA-256 fingerprint
58:42:B0:FD:F9:DB:5E:71:FB:DB:0B:90:2B:DE:22:3E:D6:8D:90:1F:5A:FE:54:41:47:12:78:06:19:51:D0:2F
Chain
cyber_Folks → Certum Global Services CA SHA2 → Certum Trusted Network CA
Subject Alternative Names (2)
*.polineo.pl, polineo.pl

Certificate Authority Authorization (CAA)

CAA restricts issuance to certum.pl, sectigo.com; we couldn't map the serving CA (cyber_Folks S.A.) to one of these identifiers.