Login to your client area (https://wannaflix.com/clientarea.php)
Click on your active SmartDNS subscription
Select your prefered Netflix region and click "Update"
1. Open up System Preferences and find Network
2. Then select either Wi-Fi or Ethernet depending on the method you use to connect to the Internet.
3. Once selected click the advanced button on the lower right-side
4. Then select "DNS"
5. Click the small plus on the lower left hand side
6. Add 18.104.22.168 and 22.214.171.124
7. Remove any other DNS address
8. Click OK
9. Then click Apply
10. Restart your computer