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Welp that answers a lot of why all .ml are down
(i.imgur.com)
This is a most excellent place for technology news and articles.
To answer your other question: most likely, www.cakefarts.com is now accessible from cakefarts.com for one of three reasons:
For the 'record', www is just a really common record name. There's nothing special about it. You could have dudebro.cakefarts.com or wwwwwww.cakefarts.com. It's up to the domain owner.