How to solve the problem that dns is hijacked quickly?
You can manually specify dns to avoid hijacking.
You can also use IIS7 site Monitoring to check the real-time security of your site by entering your own domain name, whether it is to detect or identify problems.
Procedure:
First, open the control panel, find the network and intermet and open it.
Open the page and open the network and sharing center.
Third, find the local connection on the current page and double-click to open it.
4. Click the property bar after opening the local connection, find the protocol version 4 on the properties page, and click Properties.
5. On the protocol version 4 property page, select "use the following DNS server address". The preferred DNS server: 114.114.114.114; the standby DNS server: 114.114.115.115. Then click OK.