We're compiling a list of affected domains using several scrapers here: https://...

gabemart · on Feb 24, 2017

I ranked your list of Cloudflare-using domains by their Alexa rank.

Sharing here in case anyone else finds it useful

(warning - it's 1.1MiB gzipped / 2.4MiB uncompressed)

https://polarisedlight.com/tmp/cf_ranked.txt

any domains outside the top 1 million are ommitted

dustyfresh · on Feb 24, 2017

Hacked this together to determine which ones out of the list are potentially using cloudflare reverse proxies. You could also send an HTTP request to them and look for the cloudflare-nginx Server header.

https://gist.github.com/dustyfresh/4d8d364ca4c6da465cfc7d817...