The command ipconfig /flushdns does not clear all entries. Check using ipconfig /displaydns on your side. Here I still have some entries I can’t clear.
Does someone know how to erase all? Thanks.
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Your DNS cache is also automatically populated with whatever is hardcoded into your local hosts file. An ipconfig/flushdns will not remove those entries. In order to verify that your hosts file doesn't have some of these static host name to IP addresses navigate to your &windir&\System32\Drivers\etc\ folder and open the hosts file in Notepad or Wordpad. Ensure that there are no entries or that you comment the entries out with a "#" sign at the beginning of the line.
ipconfig/flushdns then hit enter.
Do this 3 or 4 times in a row (use the F3 key at the command prompt and it will populate the last entry).
Then type in ipconfig/displaydns and you should see the message that there is nothing to display. Ensure that all your browsers are CLOSED before doing this,as it will keep populating the latest entry.