At the command prompt, type the following command: Shell. sudo dscacheutil -flushcache. Type your password, and then press Return. The DNS cache is now clear.
Type the following at the command prompt: ipconfig /flushdns; If the command was successful, you will see the message, DNS Resolver Cache Successfully Flushed.
Steps Open a command prompt as administrator: Select Start. Type cmd. Right-click Command Prompt. Select Run as Administrator. In the command prompt, type ipconfig /flushdns (including the space before the / as shown) OPTIONAL - Reboot your