SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
gs-heavy.co.kr
SSL/TLS Certificate
SSL/TLS Certificate for gs-heavy.co.kr
Hostname mismatch- Issued by (CA)
- Let's Encrypt
- Subject
- cmania.idcsolution.co.kr
- Valid from
- Oct 3, 2026
- Valid until
- Jan 1, 2027 (73 days remaining)
- Public key
- EC 256-bit
- Serial
- 05B33831D634D4617A07FFDD8822E2857A81
- SHA-256 fingerprint
- C2:77:AF:3B:65:8B:3E:60:7B:EE:B6:6B:C6:22:4F:83:B4:4C:F0:B1:0C:57:7A:48:51:7B:04:84:0D:99:2B:49
- Chain
- YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
We've observed 1 previous certificate for this host. This certificate has been served since Oct 6, 2026.
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Uptime
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DNS changes
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TLS certificate
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