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 bigfile.co.kr

Untrusted chain
Issued by (CA)
GlobalSign nv-sa
Subject
*.bigfile.co.kr
Valid from
Jan 20, 2026
Valid until
Feb 21, 2027 (213 days remaining)
Public key
RSA 2048-bit
Serial
27EE5051CCD2B204CA2EE3EF
SHA-256 fingerprint
F3:46:D9:22:5E:66:02:9F:78:11:4B:24:DC:87:30:A5:81:48:44:81:41:79:0D:3C:4E:6E:CB:9C:01:A6:52:62
Chain
Subject Alternative Names (2)
*.bigfile.co.kr, bigfile.co.kr

Certificate Authority Authorization (CAA)

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