Date sold: November 2013
KK.com was sold through the Moniker/SnapNames brokerage firm for $2.4 million in late 2013.
The Domains reported at the time that Liang Zeng of Zijin Digital Plaza in Bejing, China bought the URL, but if you try to navigate to kk.com now, and you'll simply see a "Domain not active" message.