DNSMASQ on OSX - https://echo.co/blog/never-touch-your-local-etchosts-file-os-x-again https://passingcuriosity.com/2013/dnsmasq-dev-osx/

dnsmasq-osx.sh

brew install dnsmasq
mkdir -pv $(brew --prefix)/etc/
echo 'address=/.dev/127.0.0.1' > $(brew --prefix)/etc/dnsmasq.conf
sudo cp -v $(brew --prefix dnsmasq)/homebrew.mxcl.dnsmasq.plist /Library/LaunchDaemons
sudo launchctl load -w /Library/LaunchDaemons/homebrew.mxcl.dnsmasq.plist
sudo mkdir -v /etc/resolver
sudo bash -c 'echo "nameserver 127.0.0.1" > /etc/resolver/dev'