Interesting.

- It seems like creating few free cloudflare accounts to get different DNS servers.

- A setting to randomize nameservers almost certainly would become a paid feature.

If I recall correctly, you will get a different set of name servers to set your domain to if you're trying to add the zone to Cloudflare and the name server are already set to the ones you'd usually receive. Possibly because they are using the act of switching the name servers to the CF-provided pair as an act that shows you control the domain.

Mac baby discovers you can use Whois info for details on who owns a site. More at ten.