SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
se-won.com
SSL/TLS Certificate
SSL/TLS Certificate for se-won.com
Expiring soon- Issued by (CA)
- Sectigo Limited
- Subject
- se-won.co.kr
- Valid from
- May 11, 2026
- Valid until
- Nov 25, 2026 (17 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 6FC16387CA506F77809414217250A411
- SHA-256 fingerprint
- 38:16:E1:88:F5:7D:F6:E7:EA:2C:20:41:0D:2F:3D:CE:28:CE:39:D1:65:4F:25:B1:59:33:76:02:3C:F6:81:B0
- Chain
- Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → 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 Aug 27, 2026.
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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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