How to solve the problem of dns server not responding

The solutions to the dns server not responding include checking the network connection, clearing the local DNS cache, changing the DNS server, checking the firewall and security settings, using other devices or networks and contacting the network service provider. Detailed introduction: 1. Check the network connection to ensure that the network connection is normal. You can try to open other web pages or use other devices to access to determine whether it is a network connection problem. If other web pages can be accessed normally, it may be a DNS server problem; 2 , clear local DNS cache, etc.

When you encounter the problem of DNS server unresponsiveness, it may be caused by a variety of reasons, including network connection problems, DNS server failure, and local DNS cache. Questions etc. In order to solve this problem, you can take the following steps:

1. Check the network connection: First, make sure your network connection is normal. You can try to open other web pages or use other devices to access it to determine whether it is a network connection problem. If other web pages can be accessed normally, there may be a problem with the DNS server.

2. Clear the local DNS cache: The local computer will cache the results of DNS resolution to improve access speed. But sometimes, there may be issues with the local DNS cache, causing the DNS server to become unresponsive. You can try clearing the local DNS cache to solve the problem. In Windows systems, you can use the command prompt to execute the following command to clear the DNS cache: `ipconfig /flushdns`. On Mac systems, you can use the terminal to execute the following command to clear the DNS cache: `sudo dscacheutil -flushcache`.

3. Change the DNS server: If the DNS server fails or cannot respond, you can try to change and use another DNS server. You can use public DNS servers, such as Google's DNS servers (8.8.8.8 and 8.8.4.4) or Cloudflare's DNS servers (1.1.1.1 and 1.0.0.1). Change the configuration of the DNS server in your computer's network settings and try accessing the web page again.

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4. Check firewall and security settings: Firewall and security settings may block DNS requests. You can try to temporarily turn off the firewall or adjust the security settings to see if you can solve the problem of DNS server unresponsiveness. However, please note that turning off the firewall may cause computer security risks, so remember to turn the firewall back on after solving the problem.

5. Use other devices or networks: If none of the above methods work, you can try using other devices or connecting to other networks to access the web page. If other devices or other networks can be accessed normally, there may be a problem with a specific device or a specific network. You can try to reconfigure the device or contact the network administrator to solve the problem.

6. Contact the network service provider: If none of the above methods can solve the problem, you can contact the network service provider to report the problem to them and ask for help. They may be able to provide more specific solutions or fix the DNS server failure.

In short, when you encounter the problem of DNS server not responding, you must first determine whether it is a network connection problem or a DNS server problem. Then, you can try to clear the local DNS cache, change the DNS server, check the firewall and security settings, use other devices or networks, etc. to solve the problem. If all else fails, you can contact your network service provider for help.

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