Set up a nat and a dncp yourself, point your company's next hop to your default gateway, and specify DNS directly in dhcp, which can basically meet your company's online demand.

Generally speaking, not being able to surf the Internet has little to do with dns. But you can check it-next, first open the network card, right-click your broadband connection, open the properties, find the network, double-click to open internet Protocol 4, choose to use the following dns, and set the dns to114.1/kloc-0.