REGEDIT:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DNS\Parameters
New DWORD (32-bit)
Value: MaxCacheTtl
Data Type: DWORD
Data value: 0x69780 (432000 in decimal = 5 days)
Restart the DNS server service.
REGEDIT:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DNS\Parameters
New DWORD (32-bit)
Value: MaxCacheTtl
Data Type: DWORD
Data value: 0x69780 (432000 in decimal = 5 days)
Restart the DNS server service.