SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
adef.co.kr
SSL/TLS Certificate
SSL/TLS Certificate for adef.co.kr
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- adef.co.kr
- Valid from
- Jun 1, 2026
- Valid until
- Aug 30, 2026 (39 days remaining)
- Public key
- EC 256-bit
- Serial
- 06035A467B3B1DA41484E35673FBDD66AA44
- SHA-256 fingerprint
- F3:E5:E8:47:05:E7:43:20:7A:86:C1:4D:A1:35:AB:62:C1:F1:41:C0:D8:5F:92:EF:65:11:57:E5:B7:FC:AC:FE
- 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.