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"X.com now points to https://twitter.com/"
(aussie.zone)
This is a most excellent place for technology news and articles.
Why not x.xxx
Why stop there when there's xxx.xxx or even xxx.xxx.xxx
Xxx.xxx.xxx is just an arbitrary subdomain of xxx.xxx though.
You can apparently have up to 127 levels, so long as any level is 63 or less characters and the whole domain string is 253 or less.
I'm not going to type it all but it could be x.x.x.x.x.x...(several many more .x.x)...x.x.x.xxx if they really wanted.