To find the DNS (Domain Name System) server that your computer or device is using, you can follow these steps:
For Windows:
1) Click on the Start menu and type "Control Panel" in the search bar, then open the Control Panel.
2) Click on "Network and Internet," then click on "Network and Sharing Center."
3) In the left-hand menu, click on "Change adapter settings."
4) Right-click on the network connection that you are currently using (e.g. Wi-Fi or Ethernet), and select "Properties."
5) In the Properties window, select "Internet Protocol Version 4 (TCP/IPv4)," then click on the "Properties" button.
6) In the TCP/IPv4 Properties window, select the "Use the following DNS server addresses" option.
7) The two boxes underneath this option will display the IP addresses of your DNS servers. Note down the addresses for future reference.
For macOS:
1) Click on the Apple menu, then click on "System Preferences."
2) Click on "Network."
3) In the left-hand menu, select the network connection that you are currently using (e.g. Wi-Fi or Ethernet).
4) Click on the "Advanced" button in the bottom right-hand corner.
5) Select the "DNS" tab.
6) The DNS server addresses will be listed in the box on the right-hand side. Note down the addresses for future reference.
For mobile devices:
The exact steps for finding the DNS server on a mobile device will vary depending on the operating system and device model. However, the general process is to go to the Wi-Fi or network settings, and then look for an option to view the DNS server information. You may need to look in the advanced settings or consult your device's user manual for specific instructions.