enable_dnsmasq_on_osx.sh

# bash <(curl -s https://gist.github.com/drye/5387341/raw/ec72cddfe43ec3d39c91a3c118cb68ab14a049f8/enable_dnsmasq_on_osx.sh)

# ----------------------
# installing dnsmasq and enable daemon
# ----------------------
brew install dnsmasq
sudo brew services start dnsmasq
# ----------------------
# adding resolver for DOMAIN domain
# ie. domain = *.local.example.com
# ----------------------
[ -d /etc/resolver ] || sudo mkdir -v /etc/resolver
sudo bash -c 'echo "nameserver 127.0.0.1" > /etc/resolver/local.example.com'
# ----------------------
# configuring dnsmasq
# ----------------------
 echo 'address=/.local.example.com/127.0.0.1' >> $(brew --prefix)/etc/dnsmasq.conf
# ----------------------
# launching dnsmasq
# ----------------------
sudo brew services restart dnsmasq

#flush dns
sudo killall -HUP mDNSResponder

# check
ping -c 1 www.google.com
ping -c 1 g.local.example.com