DNS (Domain Name System) is an Internet service that converts user-friendly domain names into the numerical Internet protocol (IP) addresses that computers use to talk to each other. Most commonly web connection problems can be traced to a corrupted Windows DNS cache. Flushing this cache is a simple fix to many of these problems.
How to fix corrupted DNS cache in
- Close all open web browsers and applications on your computer.
- Open the Windows command prompt by selecting the Start menu and entering cmd in the search text field box followed by clicking the enter key.
- At the command prompt, enter ipconfig /flushdns followed by pressing the enter key. After a moment, Windows will display a message similar to: Successfully flushed the DNS Resolver Cache. Once the message is displayed, the DNS will be flushed removing all incorrect entries. For better result repeat twice.
If clearing DNS cache does not solve frequent DNS errors on the computer running Microsoft Windows, client-side DNS caching can be disabled.
- Step 1 - Open the Windows command prompt by selecting the "Start" menu button and entering "cmd" in the search text field followed by pressing the "enter" key on your computer.
- Step 2 - Enter "net stop dnscache" or "sc servername stop dnscache" at the command prompt followed by pressing the "enter" key on your computer. DNS caching will be disabled until the next time the computer is restarted or rebooted.
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