SSL/TLS Certificate Lookup

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

tektra.pl

SSL/TLS Certificate

WhoisRDAPDNS RecordsCertificateUptimeDiagnosticsHistoryHide Contact Info

SSL/TLS Certificate for tektra.pl

Untrusted chain
Issued by (CA)
Asseco Data Systems S.A.
Subject
tektra.pl
Valid from
Sep 26, 2025
Valid until
Sep 26, 2026 (67 days remaining)
Public key
RSA 2048-bit
Serial
18CF8C8196BAC906F8A5B19EFDD89912
SHA-256 fingerprint
1C:5C:DE:56:0B:24:D9:E8:56:0F:E1:1A:D7:11:0D:E7:2A:3C:9C:1C:12:2A:A7:79:D8:51:57:04:B9:EA:B2:70
Chain
—
Subject Alternative Names (2)
tektra.pl, www.tektra.pl

Certificate Authority Authorization (CAA)

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

This certificate has been served since Jul 21, 2026.