udns.io

udns.io is a free DNS and web diagnostic tool. We respect your privacy and aim to collect as little personal data as possible.

What data we process

• DNS queries you enter are processed in real time to produce results.
• Queries may be sent to public DNS resolvers and/or authoritative nameservers.
• Results may be cached briefly for performance and abuse prevention.

Cookies and third parties

udns.io may use third-party services (e.g. advertising, public resolvers). Third parties may use cookies under their own policies.

Log files

Server logs may be used for troubleshooting and security. We do not sell personal data.

Contact

If you have questions, please use the contact page.