Windows XP and other operating systems use the domain name system, or DNS, to resolve human-readable domain names to numerical IP addresses. When you type a website such as example.org, Windows XP contacts a DNS server and acquires the IP address associated with example.org. Windows XP caches responses from the DNS server on your computer. If a DNS record changes before the entry in your cache expires, you may not be able to connect to a website. You can flush, or clear, your DNS cache and force Windows XP to acquire new DNS records from the DNS server.
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Difficulty:
Moderately Easy
Instructions
1
Click "Start," select "All Programs," point to the "Accessories" menu and click the "Command Prompt" shortcut.
2
Type "ipconfig /flushdns" at the command prompt.
3
Press "Enter" to flush your DNS cache.
Tips & Warnings
Windows flushes the DNS cache immediately; you don't have to restart your computer.
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