Install Homebrew: http://brew.sh/
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
Install dnsmasq: http://www.thekelleys.org.uk/dnsmasq/doc.html
brew up
brew install dnsmasq
Configure dnsmasq
/usr/local/etc/dnsmasq.conf
file. address=/double-click.net/127.0.0.1
line with address=/mesosframeworks.dev/52.31.48.78
.