SSL/TLS Certificate Lookup

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

nplat.co.jp

SSL/TLS Certificate

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SSL/TLS Certificate for nplat.co.jp

Valid
Issued by (CA)
Let's Encrypt
Subject
nplat.co.jp
Valid from
May 23, 2026
Valid until
Aug 21, 2026 (31 days remaining)
Public key
EC 256-bit
Serial
06439129012E72B2B512BD797F98A5905186
SHA-256 fingerprint
3B:8B:B6:AE:EC:72:5D:50:13:1A:E4:D1:E3:C9:73:5F:DF:B1:8E:CA:76:67:D6:4D:F1:BE:CE:16:27:17:82:F4
Chain
E8 → ISRG Root X1
Subject Alternative Names (1)
nplat.co.jp

Certificate Authority Authorization (CAA)

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