This article will show how to change the DNS settings on an ASUS RT-AC68U Wireless Router. Changing DNS Servers can sometimes improve the performance of accessing certain websites.How to configure the DNS servers:1.) Open any web browser on your computer and type 192.168.1.1 into the address bar. Then press Enter on your keyboard. 2.) Enter the administrator username and password for the router (not your Wi-Fi password) and then click OK.The default username and password are both admin. 3. From the advanced menu on the left side of the router settings, click on WAN. 4. Under "WAN DNS Setting", next to Connect to DNS Server automatically, click on No. Additional fields will now appear, prompting for the addresses of the DNS Servers you wish to use.A common alternative DNS server is the Google DNS, which uses 220.127.116.11 and 18.104.22.168We will enter this in for our example. Once the DNS server addresses are entered, click on the Apply button at the bottom of the page to save the changes.