SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
elko-koszalin.pl
SSL/TLS Certificate
SSL/TLS Certificate for elko-koszalin.pl
Hostname mismatch- Issued by (CA)
- Asseco Data Systems S.A.
- Subject
- *.webserwer.pl
- Valid from
- Dec 18, 2025
- Valid until
- Dec 18, 2026 (149 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 1D070DFD976D488BBF6D13B714266A58
- SHA-256 fingerprint
- 7D:19:6B:39:07:97:35:E3:52:9D:6E:EC:97:42:7B:64:CC:E2:40:8B:4A:3D:6D:BB:9F:56:F8:D6:40:2F:94:F7
- Chain
- Certum DV TLS G2 R39 CA → Certum Trusted Root CA
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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Uptime
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DNS changes
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TLS certificate
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