SSL/TLS Certificate Lookup

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

asuiku.org

SSL/TLS Certificate

Whois RDAP DNS Records Certificate Uptime Diagnostics History Hide Contact Info

SSL/TLS Certificate for asuiku.org

Valid

Issued by (CA): Let's Encrypt
Subject: asuiku.org
Valid from: Jun 29, 2026
Valid until: Sep 27, 2026 (68 days remaining)
Public key: RSA 2048-bit
Serial: 059F20F8A1E9BD2E570150F20BBB000F94D4
SHA-256 fingerprint: 2B:26:E0:25:22:24:92:08:76:60:C8:BB:63:B0:98:D9:B7:62:F8:68:06:7D:26:EC:44:84:17:B0:D9:91:85:15
Chain: YR1 → Root YR → ISRG Root X1

Subject Alternative Names (13)

araijidoukan.asuiku.org, asuiku.org, asuikufukushikai.asuiku.org, asuikuhoikuen.asuiku.org, hatch.asuiku.org, iwakichi.asuiku.org, ownedmedia.asuiku.org, sendai-youngcarer.asuiku.org, shirokichi.asuiku.org, tagajocarehouse.asuiku.org, tourokujidoukan.asuiku.org, www.asuiku.org, yurarikennan.asuiku.org

Certificate Authority Authorization (CAA)

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