SSL/TLS Certificate Lookup

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

gieraltowice.pl

SSL/TLS Certificate

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SSL/TLS Certificate for gieraltowice.pl

Valid
Issued by (CA)
Asseco Data Systems S.A.
Subject
*.gieraltowice.pl
Valid from
Feb 19, 2026
Valid until
Feb 19, 2027 (212 days remaining)
Public key
RSA 4096-bit
Serial
511CA59B353009247BD8412999FF9104
SHA-256 fingerprint
65:78:FD:C4:49:2C:7B:CA:CC:0C:F7:13:45:71:75:A5:C5:F2:95:D5:83:94:8B:75:EF:47:06:39:A9:53:47:3D
Chain
Certum DV TLS G2 R39 CA → Certum Trusted Root CA → Certum Trusted Network CA
Subject Alternative Names (2)
*.gieraltowice.pl, gieraltowice.pl

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.