SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

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
Subject Alternative Names (1)
adef.co.kr

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.