Our Mission
DNS Visor is a free, open-source platform providing professional-grade network diagnostic tools for developers, system administrators, and IT professionals worldwide.
What We Offer
We provide 22 free online tools across four categories:
DNS Tools
DNS Health Check, DNS Benchmark, DNS Propagation Checker, DNSSEC Validator, Zone Transfer Test, MX & Email Security Check, and WHOIS Lookup.
Security Tools
SSL Certificate Checker, SSL Pinning Generator, Certificate Transparency Search, HTTP Security Headers Checker, HTTP Debug & URL Inspector, and Hash Generator.
Network Tools
Ping, Traceroute, What Is My IP, IP Geolocation Lookup, and IP Subnet Calculator.
Developer Tools
JSON Formatter & Validator, JWT Decoder, Base64 Encoder/Decoder, and URL Encoder/Decoder.
Key Features
- 100% Free: All tools are completely free with no registration required. All tools are completely free to use with no registration required.
- 25 Languages: Available in 25 languages. Available in 25 languages including English, Turkish, German, French, Spanish, and more.
- Privacy-First: No ads, no cookies, no data selling. We don't track you. No ads, no cookies, no data selling.
- Fast & Reliable: Sub-second response times. Powered by modern infrastructure for sub-second response times.
- Open Source: Built with transparency. Built with transparency and community collaboration in mind.
Technology
DNS Visor is built with Node.js on a global edge network for fast response times worldwide.
Contact
For questions or feedback, please contact us at hello@dnsvisor.com.