afaik: cloudflare redirects the stuff for your domain xyz.com to the servers using dns. so instead of xyz.com pointing to 10.0.0.1 cloudflare dns server says th

afaik: cloudflare redirects the stuff for your domain xyz.com to the servers using dns. so instead of xyz.com pointing to 10.0.0.1 cloudflare dns server says that xyz.com is on 172.16.0.1. the cloudflare webserver them gives then the request to the real webserver behind it.