DNS is a database of all publicly accessible websites and their IP addresses. Windows saves information about recent DNS searches in the DNS cache, which can help you get to websites faster. If the saved DNS cache is corrupted, your Internet access will be slower and websites will take longer to load. So to solve the slow network problem caused by DNS, you can flush the DNS cache in Windows 11.
By flushing DNS to clear all DNS caches, you can increase your network speed. Next we’ll introduce 3 ways to flush or clear DNS cache in Windows 11.
Method 1 Flush or Clear DNS Cache Using Command Prompt
Open the Start menu.
Search for CMD, right-click Command Prompt in the start menu, click Run as administrator.

Type and execute the command ipconfig /flushdns

That’s all for the detailed steps on how to flush DNS cache in Windows 11 using Command Prompt.
Method 2 Reset DNS Cache Using Windows PowerShell
Press the Windows key on your keyboard to open the Start menu.
Search for Windows PowerShell. Right-click Windows PowerShell, click Run as administrator.

Type and execute the command Clear-DnsClientCache.
That’s all for the specific steps on how to flush Windows 11 DNS cache via Windows PowerShell.
Method 3 Flush or Clear DNS Cache Using Run Dialog
Press Windows + R to open the Run dialog.
In the Run dialog, type the command ipconfig /flushdns and click OK.

That’s it for the detailed steps to flush the DNS cache on your PC using the run dialog.
This article introduces you three effective ways to flush or clear DNS caches. No matter which way you choose, you can flush DNS caches and improve the slow Internet issue.