Thread: Flush DNS Command

Your internet provider company might cache the DNS and update periodically.

When you change DNS of a website could be that you might not see the new site until the DNS is refreshed.

Here are few DOS commands that could help to update DNS cache on your computer.

ipconfig /flushdns
Flushes and resets the contents of the DNS client resolver cache.

ipconfig /registerdns
Initiates manual dynamic registration for the DNS names and IP addresses that are configured at a computer.

ipconfig /renew
Renews DHCP configuration for all adapters

ipconfig /flushdns
Instructs the network host to dump all cached DNS entries.

ipconfig /displaydns
Instructs the network host to display all cached DNS entries.

ipconfig /registerdns
Instructs the network host to register its hostname and IP dynamically to the local DNS servers.

I think it uses as caches works like how browser caches internet contents and deleting the browses.