SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
just-young.co.kr
SSL/TLS Certificate
SSL/TLS Certificate for just-young.co.kr
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- just-young.co.kr
- Valid from
- Sep 4, 2026
- Valid until
- Dec 3, 2026 (80 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 065CDA54AC32A01D67B66C381009D2CABA5C
- SHA-256 fingerprint
- D2:64:CD:00:B3:8F:C1:6E:D3:D9:CF:10:72:C4:CE:44:7E:AC:B1:7F:87:28:6A:A4:89:72:F6:38:CB:52:93:9D
- Chain
- YR1 → Root YR → ISRG Root X1
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 28, 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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