brew install dnsmasq
echo '/*.local.ru/*.local.ir/*.local.com/*.local.co.il/127.0.0.1' >> $(brew --prefix)/etc/dnsmasq.conf
127.0.0.1 local.ru
127.0.0.1 local.com
127.0.0.1 local.ir
127.0.0.1 local.co.il
sudo cp -v $(brew --prefix dnsmasq)/homebrew.mxcl.dnsmasq.plist /Library/LaunchDaemons
sudo launchctl load -w /Library/LaunchDaemons/homebrew.mxcl.dnsmasq.plist
System Preferences > Network > Wi-Fi (or whatever you use) > Advanced... > DNS > add 127.0.0.1 to top of the list.