CDN Provider & Anycast Edge Detector
Detect active Content Delivery Networks (Cloudflare, Fastly, CloudFront, Akamai, Imperva, Bunny) by inspecting CNAME delegation chains, Anycast IP ranges, and edge HTTP response headers.
Detecting Delivery Infrastructure...
Analyzing CNAME chains, HTTP response headers, and DNS address configurations.
DNS Resolutions & CNAME Chain
CNAME Path Chain
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Resolved IP Addresses
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Matched CDN Signatures
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Edge Cache & Server Headers
How CDN & Anycast Detection Works
Content Delivery Networks (CDNs) proxy web traffic through geographically distributed edge nodes. Detection analyzes three primary technical signals: CNAME domain aliases, HTTP response headers (e.g. CF-RAY, x-amz-cf-id, X-Served-By), and Anycast BGP IP ranges.
Popular CDN Headers & Fingerprints
- Cloudflare:
server: cloudflare,cf-ray,cf-cache-status. - Amazon CloudFront:
via: CloudFront,x-amz-cf-pop,x-amz-cf-id. - Fastly:
x-served-by,x-cache: HIT,x-fastly-request-id. - Akamai:
x-akamai-transformed,server: AkamaiGHost.