Recommend a simple and easy-to-use small software, which can help you quickly set the DNS server address suitable for the current network environment. The software is called "Comet DNS Optimizer (Fast DNS)". This is a portable application. No installation is required. Can run directly on the hard disk. The interface is as follows:

1, and click "Finish with one click (recommended)";

2. The status bar at the bottom will show, "Speed measurement is in progress, please wait ..." The IP address of the global DNS server 19 19 is built in, and the whole test process will be completed in about 2 minutes.

3. Then the address of 10 with the smallest delay will be automatically written into the system, and then you will be prompted "Automatic setting is complete", and click OK to end the setting.

4. Then we can click "Response Time" above, so that these DNS addresses will be automatically arranged according to the response time, and we can see which DNS server IP addresses are automatically set by the software, as shown below.