examineip
ExamineIP is a set of 13 free, no-signup network and privacy tools with plain-English guides.
Tools: What Is My IP, VPN/WebRTC leak test, DNS checker (Google vs Cloudflare over Do... Show moreExamineIP is a set of 13 free, no-signup network and privacy tools with plain-English guides.
Tools: What Is My IP, VPN/WebRTC leak test, DNS checker (Google vs Cloudflare over DoH), IP reputation (DNS blacklists + Tor exit list), WHOIS over RDAP, bulk IP lookup, port scanner (your own IP only), ping and speed tests, subnet calculator, email header analyzer, encoding tools and password tools.
Stack: WordPress for the site, PHP endpoints for server-side checks, plain JavaScript for the tools. Most tools run entirely in the browser, and lookups aren't saved.
Open source: 7 repositories with automated tests, including dnsbl-check, doh-compare, webrtc-leak-check, rdap-lookup, email-auth-headers, subnet-calc and password-tools. See github.com/examineip
Tools: https://tools.examineip.com · Guides: https://examineip.com
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ExamineIP
Visit Project open_in_new
Mar 2026 - Present
Free, no-signup network and privacy tools with plain-English guides — IP lookup, VPN/WebRTC leak test, DNS checker, IP reputation, WHOIS over RDAP, email header analyzer, password tools and more.
Built with WordPress, PHP and plain JavaScript; most tools run in the browser and lookups aren't saved. Core logic is open source with automated tests: github.com/examineip
Tools: https://tools.examineip.com · Guides: https://examineip.com
DNS-over-HTTPS, RDAP, email authentication (SPF/DKIM/DMARC) and building privacy-respecting tools that don't store user data.
Built ExamineIP: 13 free, no-signup network and privacy tools
Published 7 open-source repositories with automated test suites (github.com/examineip)
Wrote 80+ plain-English guides on IP addresses, DNS, VPNs, scams and privacy
Fixed and documented common tool bugs: false DNSBL "listings", WebRTC false alarms, email headers wrongly flagged as suspicious
Tools don't store lookups; the password breach check sends only a 5-character hash prefix
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