About

IP Network Tools is a collection of free, privacy-respecting tools for looking up and diagnosing IP, DNS, domain, and web-server configuration. It is built for developers, system administrators, and curious users who want quick, accurate answers without creating an account.

What we believe

• Accuracy over hype. We show what the data actually says, distinguish "no record" from "lookup failed," and never invent results when a service is unavailable.
• Privacy by default. No sign-up, no long-term storage of your lookups, and no sending your full IP or record contents to analytics.
• Do the math locally. Anything that can run in your browser — subnet calculations, validation, conversions, URL parsing — does, so nothing leaves your device.
• Safety. Server-side tools apply strict SSRF protections and rate limiting, and we deliberately omit abusive features like full port scanners.

How it’s built

The site is a static-first Astro application with a small number of serverless functions for the features that genuinely need a network request (your public IP, DNS-over-HTTPS queries, RDAP, and header inspection). Most pages are pre-rendered so they load fast and remain readable by search engines.

Roadmap

We are expanding the toolset carefully. Optional tools such as a TLS certificate checker and a single-port checker are gated behind feature flags and will only ship once they can be delivered safely and reliably.

Have feedback? See our contact page.