DNS server not responding?

When the web browser cannot connect to the Internet, Windows displays the message “DNS server is not responding” or “The computer is configured correctly, but the device or resource (DNS server) is not responding” to its users. This type of error can have many causes, but can usually be resolved in a few steps. Below we present relevant information on possible sources of error and the most common solutions .

DNS: naming on the Internet
The Domain Name System (DNS) is the system responsible for converting alphanumeric domain names to numeric IP addresses. The naming is decentralized globally distributed DNS servers. Thus, each Internet address entered in the search bar of the web browser is sent from the router to a DNS server. This translates the domain name into a sequence of numbers and sends back the corresponding IP address . If the response from the DNS server fails, it will not be possible to access the web page and the error message “DNS server is not responding” will appear.  

Problem solving
The cause of this annoying error message may be a network failure. This means that the DNS server is temporarily unavailable. In most cases, the cause of the problem is related to browser settings or changes to the firewall settings.

Try other browsers
To check if the connection problem is caused by the web browser, the desired web page will have to be tested using alternative applications . Among the most common options are Mozilla Firefox, Google Chrome, Microsoft Internet Explorer and Apple Safari. In case the error disappears after trying a different browser, we recommend adjusting the settings of your current browser, as well as checking that you are using the most recent version of it. It may also be useful to uninstall the program and reinstall it again.

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Disable Firewall
If changing browsers does not produce any results, another of the most frequent causes of this error is the Windows firewall. Go to the control panel and disable Firewall temporarily. If, once this is done, the error message disappears and you can access the desired website, it is possible that the cause of the problem was, indeed, the firewall. Therefore, the next step will be to manage your configuration . If even disabling Firewall the error remains, we will have to concentrate on the direct configuration of the DNS server.

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