What is DNS
Domain Name System (DNS) is an English abbreviation of "Domain Name System". It is a computer and network service naming System organized into a Domain hierarchy. It is used for TCP/IP networks, it is mainly used to replace the boring
The probability of this phenomenon is relatively large, so this article will be from the beginning of zero to teach readers some basic troubleshooting DNS troubleshooting methods.
first, what is a DNS resolution failure?
Generally speaking, as
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The customer called at last night and said that the website could not be accessed. He immediately ran up, entered the domain name, and asked my friend to enter it.Change access from IP address OK, DNS problem. I came to the
Open a Web page with a "No server or DNS error" problem I'm sure you've all met, can be on the QQ, Thunder download, and directly enter the IP address can be successfully boarded, but could not open the Web page (IE, Ttravel and the World Window 3.0)
In actual application, DNS resolution errors may occur, that is, when we access a domain name, it cannot be resolved to an IP address, however, you can directly enter the website IP address for normal access, which is caused by a DNS resolution
When we install a broadband network, the ISP (Internet Service Provider) usually provides several DNS server addresses and then sets them in the Internet TCP/IP protocol settings window. At present, I believe everyone has encountered network
In the actual application process may encounter the problem of DNS parsing errors, that is, when we access a domain name can not be completed to resolve the work of the IP address, and the direct input of the Web site IP can be normal access, this
We may encounter DNS resolution errors during the online process, that is, when we access a domain name, we cannot resolve it to an IP address, however, you can directly enter the website IP address for normal access, which is caused by a DNS
DNS is one of the network infrastructure protocols, presumably everyone should have some understanding. DNS is one of the most important services for all windows-based networks. In the absence of DNS support, the Active Directory does not work, and
1. Use nslookup to determine whether a DNS resolution fault is true: (This step is to confirm whether a DNS error is caused ), to fully determine whether a DNS resolution fault exists, you must use the NSLOOKUP provided by the system.1. Choose Start>
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