Terms of Service
Last updated: February 2026
1. Service Description
Mr.DNS provides free, browser-based DNS lookup, network diagnostic, and email authentication tools. No account or registration is required. The service is operated by Generator Labs, Inc.
2. Acceptable Use
You may use Mr.DNS for personal, professional, and commercial diagnostic purposes. You agree not to:
- Submit automated requests that exceed normal human usage — rate limits are enforced per IP address.
- Use the service to facilitate illegal activity, including unauthorized network reconnaissance or abuse of third-party systems.
- Attempt to circumvent rate limits, access controls, or other security measures.
- Resell or republish the service's output as part of a competing product without permission.
3. No Warranty
The service is provided "as is" without warranty of any kind. DNS lookups, connectivity tests, and validation results reflect the state of external systems at the time of the query and may not be accurate, complete, or current. Do not rely solely on this service for critical infrastructure decisions.
4. Limitation of Liability
Generator Labs, Inc. shall not be liable for any direct, indirect, incidental, or consequential damages arising from your use of or reliance on this service. Our aggregate liability for any claim is limited to zero dollars, as the service is provided free of charge.
5. Service Availability
We aim for high availability but make no uptime guarantees. The service may be modified, suspended, or discontinued at any time without notice.
6. Changes to These Terms
We may update these terms at any time. Continued use of the service after changes are posted constitutes acceptance of the revised terms. The "last updated" date at the top of this page reflects the most recent revision.
7. Contact
Questions about these terms may be directed to info@generatorlabs.com.