SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
wilga2000.com.pl
SSL/TLS Certificate
SSL/TLS Certificate for wilga2000.com.pl
Untrusted chain- Issued by (CA)
- Asseco Data Systems S.A.
- Subject
- *.wilga2000.com.pl
- Valid from
- May 13, 2026
- Valid until
- Nov 28, 2026 (107 days remaining)
- Public key
- RSA 3072-bit
- Serial
- 2B2403CE461AE76EF6EA4AC5106F5CAF
- SHA-256 fingerprint
- 5E:12:DD:F3:87:52:B4:59:9C:F1:48:72:5C:87:01:E7:10:4D:93:0B:4F:24:C9:97:07:40:29:2E:D6:00:F9:AE
- Chain
- —
Certificate Authority Authorization (CAA)
CAA restricts issuance to certum.pl, letsencrypt.org; we couldn't map the serving CA (Asseco Data Systems S.A.) to one of these identifiers.
This certificate has been served since Jul 29, 2026.
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Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
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TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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