SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
touki-uchida.jp
SSL/TLS Certificate
SSL/TLS Certificate for touki-uchida.jp
Valid- Issued by (CA)
- GlobalSign nv-sa
- Subject
- www.touki-uchida.jp
- Valid from
- Nov 15, 2025
- Valid until
- Dec 17, 2026 (120 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 284E1029411488F2483876EC
- SHA-256 fingerprint
- 86:12:EA:31:3C:86:5F:FA:1D:A6:11:6E:CB:3D:65:9E:A7:76:C3:93:73:02:53:F6:2D:93:AE:5F:27:E9:3E:BC
- Chain
- GlobalSign GCC R6 AlphaSSL CA 2025 → GlobalSign
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
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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