Description of DNS resolution service for education network

This tool provides China Education and Research Network (CERN)(CERNET) This tool provides China Education and Research Computer Network (CERCN) official and spare DNS server resources to help users achieve more stable and fast education network domain name resolution.

Core Functions

• Multi-node coverage： Includes DNS server addresses of major universities and colleges in China.
• Response speed optimisation： Automatically recommend the resolution server with the lowest latency
• Dual Protocol Support： Simultaneously support IPv4 and IPv6 address resolution
• Academic Resources Acceleration： Optimise the resolution of domain names specific to education networks

How to use

1. Manually configure DNS server addresses in the system network settings.
2. Select the nearest node according to your location.
3. It is recommended to configure both primary and backup DNS servers to ensure reliability.
4. Test the response speed of nodes by ping/traceroute.

Note: Some servers may restrict off-campus access.

• Some servers may restrict off-campus access.
• It is recommended to use the local DNS server of your institution first.
• Regularly update the server list to get the best performance

This service is suitable for education network users, research institutions and network environments that need to access academic resources, and can significantly improve the resolution efficiency of .edu.cn domain names.