SSL/TLS Certificate Lookup

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

presinet.ne.jp

SSL/TLS Certificate

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SSL/TLS Certificate for presinet.ne.jp

Valid
Issued by (CA)
Let's Encrypt
Subject
presinet.ne.jp
Valid from
Jun 16, 2026
Valid until
Sep 14, 2026 (54 days remaining)
Public key
RSA 2048-bit
Serial
06788F73736D443DEE0F8694270FAD3AD04B
SHA-256 fingerprint
EF:96:E8:5F:A4:5E:8E:C9:B0:D4:CC:A8:E5:12:9F:62:79:85:16:6E:48:5C:B5:77:45:7A:F4:0F:34:61:7F:95
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (4)
mail.presinet.ne.jp, presinet.ne.jp, webmail.presinet.ne.jp, www.presinet.ne.jp

Certificate Authority Authorization (CAA)

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