Loading…
About Domain Lookup
Domain Lookup — free, private, browser-based network tool
See a domain’s registrar, key dates, nameservers and status — no signup. It runs in your browser, so the file is processed on your own device.
Why use Domain Lookup
- ·Files stay on your device — nothing is uploaded
- ·No signup needed
- ·Works in any modern browser, on any OS
- ·Free daily use; Pro removes limits and watermarks
How to use it
- 1Type or paste your input.
- 2Pick the options you want.
- 3Copy or save the result.
What Domain Lookup does
See a domain’s registrar, key dates, nameservers and status — no signup.
How it works
Local subnet math; server-side DNS/WHOIS via our edge with anti-abuse pacing. The processing code runs inside the page, so your file is not uploaded to a server — you can confirm this in your browser's DevTools → Network tab.
Frequently asked questions
Does Domain Lookup upload my files?+
No. Domain Lookup runs in your browser and processes the file on your device. Nothing is sent to our servers.
Is Domain Lookup free?+
Yes, with a daily free allowance and no signup. Xonvert Pro ($4.99/month) removes the daily limits and the watermark on exported files.
Do I need to install anything?+
No. It works in any modern browser on Windows, macOS, Linux, ChromeOS, Android and iPad.
Related network tools
CIDR Calculator
Inspect any CIDR block — network, broadcast, hosts, mask, and binary.
Subnet Calculator
Split any network into N equal subnets — see each new range.
User Agent Parser
Decode any User-Agent string — browser, engine, OS, device type.
MAC Lookup
Validate any MAC address — show vendor (OUI), unicast/multicast bits.
HTTP Header Inspector
Paste raw HTTP headers — get a clean structured view + security report.
DNS Lookup
Look up A, AAAA, MX, TXT, NS and more for any domain — straight from your browser.