Purger le cache

Sous Dos taper

ipconfig /flushdns
ipconfig /registerdns 

Désactiver le cache DNS

1. Start Registry Editor (Regedit.exe).

2. Locate the MaxCacheEntryTtlLimit value under the following registry key:

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesDnscacheParameters

3. On the Edit menu, click Modify. Type 1, and then click OK.

4. Quit Registry Editor.

Désactiver le "negative DNS caching"

Modifier la base des registres avec

 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters]
"NegativeCacheTime"=dword:00000000 "NetFailureCacheTime"=dword:00000000 "NegativeSOACacheTime"=dword:00000000