SSL/TLS Certificate Lookup

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

03030.co.kr

SSL/TLS Certificate

WhoisRDAPDNS RecordsCertificateUptimeDiagnosticsHistoryHide Contact Info

SSL/TLS Certificate for 03030.co.kr

Valid
Issued by (CA)
Let's Encrypt
Subject
03030.co.kr
Valid from
Jun 5, 2026
Valid until
Sep 3, 2026 (44 days remaining)
Public key
RSA 2048-bit
Serial
06A3629715B9C1F9F5E0E2EDBB34EB2419B3
SHA-256 fingerprint
13:63:1E:CE:3D:25:F8:10:A6:A1:7A:3A:D1:0C:54:2D:96:23:24:03:F9:5A:47:0E:A0:0B:58:F7:21:A6:15:13
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (3)
03030.co.kr, m.03030.co.kr, www.03030.co.kr

Certificate Authority Authorization (CAA)

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