From the Kindle Fire HDX Options Menu, Click on the Wireless icon.



On the next screen tap WI-FI



Tap and Hold your Wi-Fi network to open the Advanced Wi-Fi settings.



Then tap Advanced Settings.




Now check the box “Show Advanced Settings.” Tap the IP Settings drop-down and change DHCP to Static.



With IP settings set to Static, scroll down and overwrite your IP and Gateway (if you don't then the save option at end will be greyed out)

Enter your Unblockr Country's DNS address.



 This is the upto date DNS list.

 

UK DNS1 = 178.62.57.141
UK DNS2 = 139.162.231.18

 

USA  DNS1 = 138.68.29.183
USA DNS2 = 159.203.58.150

 

Canada DNS1 = 159.203.58.150
Canada DNS2 = 138.68.29.183



Select save.