Flushing removes the record stored on the local host and triggers contacting the domain name servers on the internet for the IP address. Command to flush dns cache. ipconfig /flushdns. Example: C:>ipconfig /flushdns Windows IP Configuration Successfully flushed the DNS Resolver Cache. Now if you print dns cache records you may not see anything.Is it dangerous to flush DNS?
Security against manipulation: You should also clear the DNS cache from time to time for security reasons. The information in the cache is practical for delivering web projects – but can quickly become dangerous in the wrong hands.