Itunes Scam

I received an email today that looks suspicious about a large order i NEVER placed. Based ont he amount charged it caught my attention but looking at the link it would not be somewhere Apple oudl direct you. The question is how did they get the domain orders.apple.com?

From: Apple Store <order_acknowledgment@orders.apple.com>
Sent: Tue Mar 13 05:41:38 2012
Subject: Thank you for your order.


Dear Customer,


Thank you for shopping at Apple Store.

Please be informed that your Order Number: W242179056 has been successfully charged to your credit card for 3,456.03 USD.

Please CLICK HERE <http://girls.gamestk.com/ykGYi8Ui/index.html> to see your ORDER.

Your Apple Store Customer Service Team