ie-dns-cache.cmd

:: IE DNS Cache Buster
::
:: Because IE keeps a hold of the DNS Cache for up to 30 minutes.
:: https://support.microsoft.com/en-au/kb/263558
::
:: Created based on 
:: http://blog.patrickmeenan.com/2012/11/clearing-ies-caches-not-as-simple-as-it.html
::
:: This is an overly-violent method of killing the web cache, and probably has lots of nightmarish side-effects.
:: If you can, changing the Registry value as mentioned in KB-263558 is probably a lot safer.
:: This has no warranty. I take no responsibility for you using this garbage.
@ECHO OFF

:: Must be administrator
mkdir "%windir%\system32\test" 2>nul
if "%errorlevel%" == "0" (
    rmdir "%windir%\system32\test"
) else (
    ECHO ERROR: You must run this as administrator.
    EXIT /B 1
)

ECHO Clearing IE DNS Cache

ipconfig /flushdns
net stop COMSysApp
FOR /F "usebackq tokens=2" %%i IN (`tasklist ^| findstr /r /b "dllhost\.exe taskhost.*\.exe"`) DO taskkill /pid %%i /F
echo Removing cache files ...
del %USERPROFILE%\AppData\Local\Microsoft\Windows\WebCache\* /Q
net start COMSysApp