SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
jeong-am.co.kr
SSL/TLS Certificate
SSL/TLS Certificate for jeong-am.co.kr
Expired- Issued by (CA)
- Sectigo Limited
- Subject
- www.jeong-am.co.kr
- Valid from
- Feb 3, 2021
- Valid until
- Feb 7, 2022 (expired 1703 days ago)
- Public key
- RSA 2048-bit
- Serial
- 29693288DCC590A094A48A9AE4078F28
- SHA-256 fingerprint
- 59:DF:B1:9B:C5:8F:A4:F8:70:8C:F4:63:61:60:01:59:5A:5B:C4:23:FB:34:8B:AC:57:DA:B7:5C:A8:4B:57:81
- 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.
This certificate has been served since Sep 10, 2026.
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Uptime
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DNS changes
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TLS certificate
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