Free Domain Analysis Tools

A complete toolkit for domain research — traffic, DNS, SSL, WHOIS, HTTP headers, redirects, and subdomain discovery. All tools are free, require no signup, and run on our global edge network.

Why use Traffic Lens tools?

Completely free — No signup, no API key, no scan limits
Fast & edge-cached — All tools run on Cloudflare's global edge; repeated queries return instantly
No installation — Works in any browser; no CLI, no Docker, no Python dependencies
Privacy-respecting — We don't track your scans or require an account

All 9 tools

Traffic Checker — Monthly visits, bounce rate, sources, and quality score for any domain
Domain Comparison — Side-by-side traffic metrics for up to 5 websites
Subdomain Finder — Discover every subdomain via Certificate Transparency logs
DNS Lookup — A, AAAA, MX, TXT, NS, CNAME, SOA, CAA records via Cloudflare DNS
WHOIS Lookup — Registrar, registration date, expiry, nameservers via modern RDAP protocol
HTTP Headers Checker — Security score (HSTS, CSP), CDN detection, cache analysis
SSL Certificate Checker — Certificate expiry, issuer, covered domains, A-F grade
Redirect Chain Checker — Trace 301/302 hops, detect loops and SEO issues
Trending Domains — Most analyzed sites this week

Use cases

SEO specialists — Traffic Checker + Redirect Checker + HTTP Headers to audit technical SEO
Security researchers — Subdomain Finder + SSL Checker + HTTP Headers for attack surface mapping
DevOps teams — DNS + SSL + Redirect + Headers to verify deployments
Domain investors — WHOIS + Traffic Checker to evaluate domain acquisitions
Brand protection — Subdomain Finder + WHOIS to monitor brand perimeter