SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
wt-polska.com
SSL/TLS Certificate
SSL/TLS Certificate for wt-polska.com
Expired- Issued by (CA)
- Sectigo Limited
- Subject
- folda.pl
- Valid from
- Jun 16, 2021
- Valid until
- Jun 17, 2022 (expired 1588 days ago)
- Public key
- RSA 2048-bit
- Serial
- 723DDF9BF9B1EE3400C07C6461EDFCCA
- SHA-256 fingerprint
- 0D:33:B0:B9:4C:5A:29:D3:1E:DB:B4:07:7C:3B:42:47:56:9D:D6:14:C9:7F:58:7E:FB:EC:14:EA:FC:2C:1C:14
- Chain
- Sectigo RSA Domain Validation Secure Server CA → USERTrust RSA Certification Authority
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 Sep 18, 2026.
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Uptime
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DNS changes
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TLS certificate
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