Some of my co-workers are having troubles on their Macs - DNS resolution does not work in Mac OS X. They're running Snow Leopard 10.6.8. They can use DNS in a Windows 7 virtual machine (VMware Fusion 3.1.3) running on OS X. The computers are 15" MacBook Pros, early 2011 model. Things they've tried that didn't work: turning airport on/off rebooting using wired connection instead of wifi deleting co