Inspect any website’s
delivery stack in one search.
Enter a domain and see which CDN is serving it, who runs its DNS, whether TLS and caching are set up right, and what firewall is protecting it — the same detection data behind 200+ assessments a year. Free, no signup, shareable reports.
One search runs the complete inspection — CDN, DNS, headers, TLS, caching, WAF & bot management. Every result on one page. 5 free inspections per hour.
Trusted by 100+ enterprises worldwide
The toolkit.
All six are live now, free and passive, powered by the same benchmark data behind our assessments. Want a human read on what they surface? A free assessment goes deeper.
CDN Finder Free Flagship
Enter any domain and see which CDN, or stack of CDNs, is serving it, detected from DNS, response headers and certificate fingerprints, with a shareable report. The tool CDNFinder.com will point to.
Detect a CDN free →DNS Finder Free
Full DNS lookup and audit: every record, the authoritative provider behind the domain, propagation state, and the misconfigurations that slow resolution down.
Run a free lookup →WAF Detector Free
Detect which WAF or security edge is protecting a site, what it blocks, what it lets through, and what that choice implies for performance.
Open the tool page →Bot Detection Free
Identify the bot-management vendor — DataDome, HUMAN, Kasada, Cloudflare Bot Management, Imperva — from headers, cookies and challenge behaviour.
Open the tool page →HTTP Header Analyzer Free
Paste a URL and get every response header decoded: caching directives, security headers, compression, and what to fix first.
Open the tool page →TLS & Cache Checker Free
Certificate chain, protocol versions and cache behavior in one pass, including readiness for the 2026–2029 shortening certificate lifetimes.
Open the tool page →All product names, logos and brands are the property of their respective owners and are used for identification purposes only. CDN World is an independent advisory and is not endorsed by, sponsored by, or affiliated with any provider listed unless expressly stated. Provider information is published for general information and may change without notice, please confirm current details directly with the provider before relying on them.