Terms of Service
Rules and responsibilities for using Port Checker.
Last updated: February 9, 2026
Acceptable use
Use Port Checker only for systems and endpoints you are authorized to test. You are responsible for complying with all applicable laws and policies.
Service availability
We aim to keep the service available and accurate, but we cannot guarantee uninterrupted operation. Planned maintenance or external network issues may affect results.
No warranty
Port Checker is provided on an as-is basis. You should validate critical outcomes with additional controls before making production decisions.
Changes to terms
We may update these terms from time to time. Continued use after updates means you accept the revised terms.