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Checks/Infrastructure
InfrastructureHeuristic — passive only3 checks

DDoS Protection Scanner

Evaluate your site's resilience against distributed denial-of-service attacks.

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How this scan works

  • Fingerprint CDN/WAF presence via headers (cf-ray, x-akamai-*, x-amz-cf-id, x-sucuri-id)
  • Check whether DNS resolves straight to an origin IP (no proxy) vs. a CDN edge IP range
  • Check for a challenge-page signature (JS challenge / CAPTCHA) on suspicious request patterns
  • Passive only — this scanner never sends volumetric traffic, it only reads existing protection signals

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