SSL/TLS Certificate Lookup

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

tosto.co.kr

SSL/TLS Certificate

WhoisRDAPDNS RecordsCertificateUptimeDiagnosticsHistoryHide Contact Info

SSL/TLS Certificate for tosto.co.kr

Valid
Issued by (CA)
Sectigo Limited
Subject
tosto.co.kr
Valid from
Jun 2, 2026
Valid until
Dec 17, 2026 (149 days remaining)
Public key
RSA 2048-bit
Serial
5CE3F804608EF5329054181ECF88CA84
SHA-256 fingerprint
F4:32:BF:C7:7C:33:48:07:1D:AE:42:D6:F3:2D:E9:B1:8D:48:DE:14:F3:B4:14:01:F2:43:3B:86:A7:FB:97:42
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46
Subject Alternative Names (2)
tosto.co.kr, www.tosto.co.kr

Certificate Authority Authorization (CAA)

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