Asked by: Art Tyler
technology and computing web hosting

What is ipconfig Flushdns used for?

Last Updated: 31st March, 2020

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When you do a ipconfig /flushdns,yoursystem clears the cache of name to ip entries and reloads themfromthe connected DNS server. This will provide you the IP addresstowhich current DNS is pointing.

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In this regard, what does a DNS flush do?

Since clearing the DNS cache removes alltheentries, it deletes any invalid records too and forcesyourcomputer to repopulate those addresses the next time youtryaccessing those websites. In Microsoft Windows, youcanflush the local DNS cache using theipconfig/flushdns command in a Command Prompt.

Also, what does ipconfig release do? First, ipconfig /release is executedtoforce the client to immediately give up its lease by sendingtheserver a DHCP release notification which updatestheserver's status information and marks the old client's IPaddressas "available". Then, the command ipconfig /renewisexecuted to request a new IP address.

Beside this, why should I clear my DNS cache?

Another reason to clear your DNS cache isprivacy.The DNS cache records every website visited,regardless ofcontent. This means websites with confidential orobjectionablecontent can also be traced using the DNScache. Byclearing your cache, you clear anyrecord in theDNS of visiting said websites.

How do I clear my DNS cache?

  1. Open Start menu.
  2. Click Run.
  3. Type cmd and press enter.
  4. In the Command Prompt type ipconfig /flushdns andpressEnter.

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