Home Router settings Setting Up ADnull DNS on D-Link DIR-825 Router

Setting Up ADnull DNS on D-Link DIR-825 Router

Last updated on Mar 16, 2026

ADnull DNS addresses

Primary DNS 188.190.191.78

Secondary DNS 188.190.191.52


Step 1. Log in to the router web interface

Open a browser and go to:

http://192.168.0.1

or

http://192.168.1.1

Enter your login and password.

If you have not changed them, check the label on the bottom of the router.


Step 2. Open DNS settings

Navigate to:

Settings → Internet → DNS

In the IPv4 DNS field enter:

  • Primary DNS: 188.190.191.78

  • Secondary DNS: 188.190.191.52

Click Apply.


Done!

ADnull DNS is now active. All devices on your network are protected — ads and trackers are blocked automatically.


FAQ

DNS was not applied after saving

Restart the router and reconnect your devices to Wi-Fi.

Where do I find the router password?

Check the label on the bottom of the router — it shows the login address, username, and default password.