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How to Manually Configure DNS for Windows 11 Network Adapter

Even if the IP address of the network adapter is set automatically (DHCP) in Windows 11, only the IP address of DNS can be set manually . In addition, two DNS settings are usually used, but it is also possible to set more than one DNS .  This page introduces how to set the DNS IP address for the Windows 11 network adapter. See the following page for how to set a fixed IP address for the network adapter.
Steps to set DNS on Windows 11 network adapter

1. Open the edit screen to set the DNS

1-1. Click the “Start” button and click “Settings” in the Start.
 1-2. When the setting opens, click “Network and Internet” in the item.
 1-3. When “Network and Internet” is displayed, click “Detailed network settings” to display the network adapters for which IP addresses can be set.  1-4. Setting DNS Click the “∨” button of the network adapter in “Ethernet/Wi-Fi” to expand the contents.
 1-5. When the contents are expanded, click “Show additional properties”.
 1-6. If you click “Edit” of “DNS”, the selection screen for editing DNS will be displayed.
2. Change DNS from automatic to manual

2-1. Change the selection box of “Edit DNS Settings” from “Automatic (DHCP)” to “Manual”.
 2-2. When the DNS settings are displayed, click the “IPv4” switch button. “IPv6” can also be added on the DNS setting screen
IPv4 About IPv6
IPv4 is limited in the number of 32-bit addresses distributed and will be insufficient in the future. IPv6 uses 128 bits to create an almost infinite number of IP addresses. In addition, IPv6 has stronger security than IPv4 and is expected to spread as an alternative to IPv4 in the future. Currently, IPv4 is still the mainstream.

3. Manually configure DNS

3-1. When “Edit DNS Settings” is displayed, enter the DNS IP address.

Description of DNS settings

  • Preferred DNS

    Enter the IP address of the DNS server. If you don’t know, you can use it by entering the DNS server “” provided by Google for free.

  • DNS over HTTPS

    Most of the time it should be “off”. “On” if the use of HTTPS is stipulated

  • Alternate DNS

    Enter the IP address of the DNS server to use if your preferred DNS fails. If you don’t know it, you don’t have to enter it. Arbitrary setting

  • DNS over HTTPS

    The above has the same settings, but here for “Alternate DNS”.

  • IPv6 “off”

    If you want to add IPv6 DNS, set it to “On” and enter the IPv6 DNS address.

3-2. After setting the DNS, click “Save” to complete.

Next, clear the cache of DNS saved on the PC at the end.

4. Clear DNS Cache

4-1. Right-click the desktop and click “Terminal” in the menu.
 4-2. When the terminal is displayed, enter ” ipconfig /flushdns

” and press the “Enter ” key. If “DNS resolver cache flushed successfully” is displayed, the DNS cache has been cleared. is.

If you want to add more DNS, we will introduce it in “How to set multiple DNS” in the item.

How to configure multiple DNS

1. Open Network Connections from Control Panel

1-1. Open Control Panel from the start menu To start from the Start menu, click “All apps”, click “Windows Tools” in the list to open Explorer, and click “Control Panel”.
 from search

  • Press the Windows key on your keyboard, then press control .
  • When the search screen appears, click “Control Panel”.

*This operation is the same as entering “control” in the search.
 1-2. When Control Panel opens, click “View network status and tasks” in “Network and Internet”.
 1-3. Click “Adapter settings/changes”.
2. Open the advanced settings of the adapter to add multiple DNS

2-1. On the network connection screen, double-click the network adapter to add multiple DNS .
 2-2. When the general screen appears, click “Properties”.
 2-3. Select “Internet Protocol Version 4 (TCP/IPv4)” and click “Properties”.
 2-4. When the properties are displayed, click “Advanced Settings”.

3. Add multiple DNS to network adapter
3-1. Click the “DNS” tab and click “Add” under the “DNS Server Address” box.
 3-2. Enter the “DNS Address” to be added and click “Add”.
 3-3. Click “OK” when DNS addition is complete.
Adding DNS is now complete. If you want to add more, you can add multiple DNS by repeating the above operation.

DNS roles set for network adapters

DNS plays the role of a guide when connecting to the Internet, such as “websites” and “emails” on the Internet. For example, to access the domain name pasoble.jp, you need to access the IP address of the destination server, not the domain name. The DNS server plays the role of “translating  domain name into an IP address” so that you can access the server. Use of DNS is provided free of charge by your provider or by Google. If there is a problem with the DNS of the connection destination, you will not be able to access the Internet service. Also, if the response speed of DNS is slow, the display speed may be affected. Tips:
The DNS used in the explanatory diagrams on this page is called “Google Public DNS” provided free of charge by Google, and is in an open resolver format that anyone can use. The Google Public DNS IP address is a reputable DNS server with preferred “” and alternate “”.

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