Refreshing the DNS cache only needs to be refreshed by using the command to flush the DNS cache. So what is the command to flush the DNS cache? is "Ipconfig/flushdns". The specific steps are as follows:
First, hold down the keyboard win+r key combination, open a running window, then enter the "CMD" command on the Run window, execute the command to open a command prompt window. As shown in the figure:
Step two, and then at the command prompt to view all the information on the DNS cache on your computer, enter "Ipconfig/displaydns" to query the DNS cache information. Then you can empty the DNS cache on your computer by typing the "ipconfig/flushdns" command to enter the ENTER key. Of course, if you do not believe, you can re-enter the "Ipconfig/displaydns" query DnD cache can know whether to empty the native DNS cache information. As shown in the figure: