How can I clear the contents of the DNS resolution cache in Windows 2000 and later?

To clear the DNS cache, perform the following steps:

1. Start the Microsoft Management Console (MMC) DNS snap-in (Go to Start, Programs, Administrative Tools, and click DNS).
2. From the View menu, select Advanced.
3. Select and right-click the Cached Lookups tree node from the left-hand pane.
4. Select Clear Cache from the context menu.

You can also use the Dnscmd command in Windows Server 2003 to clear the cache. From the command prompt
, type

dnscmd /clearcache