I saw this article at approximately the same time as I saw this tweet: https://twitter.com/P0TUSTrump/status/684891719985410048 .
--- begin factually incorrect statement ---
To save you a click: Jeb Bush forgot to renew his domain,
and Trump bought it and redirected to
www.donaldjtrump.com
Thankfully, Trump is using a 302, not a 301.
EDIT: ah I see -- jebbush.com has only ever had that redirect throughout its entire (short) existence. Leaving my comment up though, since it's more about what one could do in that scenario than any particular current event.