Free DNS Lookup, WHOIS, and GitHub Profile Viewer — No API Keys Needed

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