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NetDash Toolkit
v3.0.1, view the changelog
  1. All tools
  2. Diagnostics
  3. WHOIS Lookup

What you enter is sent to rdap.org, the registry or RIR RDAP server rdap.org redirects to. Requests only happen when you ask for them.

WHOIS Lookup

Look up domain registration and IP block ownership information

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More in Diagnostics

  • Network Tester
  • DNS Tools
  • Ping & Traceroute
  • Port Scanner
  • SSL/TLS Checker
  • Email Diagnostics
NetDash Toolkit•Network engineering tools

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© 2026 Sunny Patel. Free to use, MIT licensed. Most tools run offline and never leave your browser; the ones that send data name the host first, and cloud sync is opt-in.