How to set up Smart DNS on Amazon Fire TV

First, you need to find the IP of your router. Please use the appropriate method below and note down the IP of your router.

Find Router IP on Windows

Open up the program command prompt.
Type “ipconfig” without the quotes and press enter
The IP address from the default gateway is most likely the IP address of your router.

Find Router IP on OS X

Open System Preferences
Go to Network
Click Advanced
Go to TCP/IP – here, you will see the routers IP

Change the DNS on the Amazon Fire TV (Wireless)

Go to settings

2. Select Network

3. Select WI-FI

4. Select your WI-FI network and forget the WI-FI network by Pressing the button with 3 lines.

5. Press the select button.

6. Select your WI-FI network.

7. Enter your WI-FI password and Click on advanced

8. Enter the first three groups of numbers exactly the same as your router's IP address. For example, if your router IP is 192.168.0.1, then use the IP address 192.168.0.7 or something to that nature. The important part is to change the last digit to get an IP from the same IP range as the router.

9. For the Default gateway, enter the IP of your router

10. Input 24 for the Network Prefix Length and Click Next

11. Enter 212.32.240.145 for DNS 1

12. Enter 104.200.137.81 for DNS 2

Change the DNS on the Amazon Fire TV (Wired)

Go to Settings
Select System
Select Network (wired)
Select Configure Network
Enter a valid IP from your home network. Find the IP of your router in the guides above.
Set prefix length to 24. Press Next.
Set the gateway to the router IP (You can find the correct gateway by following the guides above). Press Next.
Set DNS 1 to 212.32.240.145 Press Next.
Set DNS 2 to 104.200.137.81 Press Next.

Other Things You Need

Make sure you have a 1-click US address in your Amazon account.
On Amazon.com, go to Your Account > Manage Your Content and Devices > Country Settings and set the country to the United States.