Just added 3 network tools to DevTools.run that I use daily:
DNS Lookup
https://devtools-site-delta.vercel.app/dns-lookup
Looks up A, AAAA, CNAME, MX, NS, TXT, SOA records for any domain using Cloudflare DNS-over-HTTPS. All client-side, no API key needed.
WHOIS Lookup
https://devtools-site-delta.vercel.app/whois
Check domain registration info — registrar, creation date, expiry, nameservers. Uses the RDAP protocol (the modern replacement for WHOIS).
GitHub Profile Viewer
https://devtools-site-delta.vercel.app/github-profile
Enter any GitHub username to see their profile, top repos, total stars, forks, languages used. Uses the public GitHub API.
All 3 tools run entirely in your browser. No backend, no data collection.
Full site with 200+ tools: devtools-site-delta.vercel.app
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