Terms of Service

Last updated: 2026-11-11 (draft). The Japanese version prevails in case of discrepancy.

1. Scope: These terms apply to the use of sslcheck.nakayumc.com (the "Service"). By using the Service you agree to them.
2. Service: The Service checks the state of publicly served TLS certificates free of charge, for commercial and non-commercial use.
3. Prohibited use:
   • Use for harassment, attacks or reconnaissance against targets you are not authorized to assess
   • Circumventing rate limits or verification, or placing excessive load on the Service
   • Using the Service as a relay, or any unlawful activity
4. Restriction: We may restrict access without notice if we believe these terms are violated.
5. Disclaimer: Results are provided for reference only, without any warranty of accuracy, completeness or availability. Except in cases of intent or gross negligence, we are not liable for damages arising from use of, or inability to use, the Service.
6. Changes: We may change or discontinue the Service, and may update these terms by posting on this page.
7. Governing law: These terms are governed by the laws of Japan.