uncategorized

Point of Presence Crawler

What

This tool finds and locates points of presence of CDNs only using a single machine.

Source Code

How

It leverages EDNS0 options to force DNS servers to give away all possible server client mappings.

Currently support

  • Google
  • Amazon Cloudfront
  • maxCDN
  • Edgecast

Demo

Here is the locations of Cloudfront PoPs (lower) compared with the map from cdnplanet (upper).

PoPs