SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
npo-aca.jp
SSL/TLS Certificate
SSL/TLS Certificate for npo-aca.jp
Valid- Issued by (CA)
- Japan Registry Services Co., Ltd.
- Subject
- www.npo-aca.jp
- Valid from
- Nov 5, 2026
- Valid until
- Feb 2, 2027 (80 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 59EA5FC235080859340E77FC2CF6ECCE
- SHA-256 fingerprint
- 43:7F:58:65:F6:F4:A0:7A:13:1D:03:7D:EA:75:EB:5F:A7:4D:A9:A2:47:D9:4D:68:D8:B8:5F:18:0F:CD:0E:C6
- Chain
- JPRS DV RSA CA 2024 G1 → SECOM TLS RSA Root CA 2024
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Nov 13, 2026.
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Uptime
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DNS changes
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TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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