Domain name resolution error is a DNS error that cannot correctly identify the domain name, so the corresponding website cannot be opened. The reasons are: 1. Website space problems. The stability of the website space will affect Internet links; 2. Virus interference; 3. Domain name setting errors, users make modifications, and the modification errors lead to resolution failures; 4. Domain name provider problems .
The operating environment of this tutorial: Windows 10 system, DELL G3 computer.
Domain name resolution error means that there is an error in DNS and the domain name cannot be correctly identified, so the corresponding website cannot be opened. Internet users often use domain names to access websites. The system must convert domain names into IP addresses in order to correctly access the correct website content through routers at all levels.
Domain name conversion is usually done by DNS (Domain Name Resolution Server). But sometimes users will find that they cannot access the correct content even after entering the correct domain name. In this case, there are generally two possibilities. One is that the website fails and stops running; the other is that there is an error in domain name resolution.
What is the domain name resolution error?
1. Website space problem
If you check the relevant A record, MX priority and host record There are no problems with the pointing, and the domain name has been successfully registered, but if the website still cannot be opened and the domain name shows a resolution error, it is likely that there is a problem with the website hosting space.
The stability of the website space will affect the Internet link, making the corresponding domain name unable to correspond to the IP address of the host space. If this situation is reflected in the error form, a parsing error will still be displayed. Therefore, it is necessary to analyze the quality of the website space at this time. If the space is not stable enough, it is best to replace it in time, or ask the hosting provider to solve it.
2. Virus interference
It is a common situation that domain name hijacking causes the domain name to be unable to be resolved. Generally speaking, domain name hijacking is divided into server-side hijacking and client-side hijacking. For webmasters, Said that what needs to be solved is the problem of server-side virus intrusion.
At this time, it is necessary to increase the intensity of virus scanning in the server space, eliminate the harm of hijacking Trojan viruses, and improve the security of the website space so that the website can be parsed correctly.
3. Domain name setting errors
When providing a domain name, many parameter settings have been set by the domain name provider, but during the operation of the website, users will make corresponding modifications. This Sometimes parsing failure may occur due to modification errors.
If the website cannot be opened after modification, you can test it through the software. Once you find that it is a domain name resolution problem, you can basically determine that it is caused by modifying the options.
At this time, you can log in to the backend to make modifications. If you cannot restore or cannot modify, you can also ask after-sales personnel for help.
4. Domain name provider issues
Domain name registrars usually have servers responsible for domain name resolution. If the server fails or the corresponding information is modified, you need to wait for the server to be repaired or the information to be modified. After refreshing, the domain name can be used normally. In this case, the domain name provider will usually notify you accordingly.
3. How to solve domain name resolution errors
1. Confirm whether there is a problem with DNS
(1) Open the CMD command line window, enter nslookup and press Enter to confirm.
(2) Enter a domain name corresponding to a site you are familiar with. If a DNS request timed out occurs, timeout was 2 seconds indicates that there is a DNS failure.
Solution:
(1) Find "Start" - "Run" - "Enter CMD" and open the command line window.
(2) Enter the ipconfig/all command to query network parameters.
(3) Use the same method to check the DNS servers of other users with Internet access in the same LAN. Just change your own to someone else's.
(4) If you cannot access the Internet normally even after changing the DNS server, you need to manually configure the IP address and change the last segment of the IP address to be different from others.
2. When opening the web page, a domain name resolution error is displayed
Solution:
(1) First, we click the "Start" button in the lower left corner of the computer desktop - click "Settings" - click "Network and Internet" - click "Change adapter options".
(2) In the pop-up interface, right-click "Wireless Network", the pop-up interface will appear, and then click "Properties".
(3) In the pop-up interface, double-click Internet Protocol version 4.
(4) Click to select the following DNS server address, and then we enter 114·114·114·114 in it, and then we click the OK button, so that we can solve the problem that the domain name resolution is always displayed when opening the web page Wrong question.
The above is the detailed content of What is the situation of domain name resolution error?. For more information, please follow other related articles on the PHP Chinese website!

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