Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters]
"MaxCacheEntryTtlLimit"=dword:0000a8c0
"MaxNegativeCacheTtl"=dword:00000000

;Benefit: Lowers the DNS cache timeout for positive responses from 86,400 seconds (1 day) to 
;43,200 seconds (12 hours) and disables the caching of failed DNS lookups