To setup smart DNS in MAC OS X please follow the next instruction:
- Open System Preferences > Network
- Select Wi-Fi or Ethernet depending on the method you use to connect to the Internet.
- Click the advanced button
- Select “DNS“
- Click the small plus on the lower left-hand side and add your DNS IP address.
- Remove any other DNS address
- Click OK and then click Apply
- Now please restart your computer.
That is all!