For years I have always been using Windows’s command prompt to flush the DNS cache on a local machine. As we know, that command is pretty well known, “ipconfig /flushdns“. Turns out there is an equivalent command we can run within the PowerShell console, and that is, “Clear-DnsClientCache“. Clear-DnsClientCache does exactly what it states, it clears the contents of the DNS client cache/local machine. Consider this next time you need to flush the local machine’s DNS cache.