SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
clse.co.kr
SSL/TLS Certificate
SSL/TLS Certificate for clse.co.kr
Expired- Issued by (CA)
- Sectigo Limited
- Subject
- clse.co.kr
- Valid from
- Jul 23, 2021
- Valid until
- Jul 23, 2022 (expired 1490 days ago)
- Public key
- RSA 2048-bit
- Serial
- 3AFDC078D74FFC682750C30BB5A61412
- SHA-256 fingerprint
- 49:DA:BC:20:F8:A0:78:E5:0D:E3:E7:A6:EF:30:AC:52:DC:F6:EF:18:74:E2:93:40:8A:C2:F7:00:D9:B0:AA:2F
- Chain
- Sectigo RSA Domain Validation Secure Server CA → USERTrust RSA Certification Authority → AAA Certificate Services
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
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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