1. Goto HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ Dnscache\Parameters 2. Build a brand new dword value called NegativeCacheTime (the worth is instance sensitive) and provide it a value of 0 (that is a ZERO).

Since all three computers are impacted and I also assume all of them are attached to the modem that is same router, i believe your condition lies with one of those. Something simple you can test is power down both your router and modem for just one moment. Continue reading →