What happens when DNS is often wrong

Source: Internet
Author: User
Tags domain name server

Causes DNS frequent error cause analysis

⒈ virus in computer

If the computer virus is generally malicious software tampering User homepage, hijacked computer DNS, etc., causing the computer to open a well-known website will jump to other malicious sites, or simply can not open the site.

Solution: Use antivirus software to scan the computer first, check whether the computer virus, whether there are anti-virus software related tips. If the anti-virus after the page can be opened, mostly because of the cause of the virus.

⒉ website failure

When found to open some Web site will appear DNS error, but some major stations to open all normal, this situation most due to Web site domain name server failure or Web server failure. There is also a situation in the network service providers (such as telecommunications network services server failure, there will be a similar situation, mainly due to line congestion caused by a common local area of the Web site is inaccessible, with a regional, generally such cases rarely occur).

Solution: Because it is the problem of the site itself, so we generally can not solve, only to wait until the site returned to normal access.

⒊ Network failure

Network failure is a more common cause of DNS errors, often because there is no network to open the Web page has a similar hint.

WORKAROUND: Fix the network problem.

⒋ Computer DNS Setup Error

Although most of our friends will not go to the Internet to set up DNS, is generally the use of automatic access, but many local area networks need fixed IP address, select fixed IP address, we need to enter a DNS address, and DNS input error will cause the Web page can not open

DNS error resolution Steps/Methods

In general, we do not have to set up DNS, the system by default is in the state of automatic acquisition.

XP Viewing method: Start------Control Panel-----Network connection-------Local Area Connection-----Properties------Internet Protocol (TCP/IP)------Properties we can see the default settings.

Vista View method: Start-----Control Panel------Network and Share Center-----Point the View status-------properties after the local connection--------Internet Protocol 4 (TCP/IPV4)--------properties and then you can see it.

(This is my own set, so not automatically get the option)

If we find that we are prompted for DNS errors automatically, then we need to manually set the correct DNS address to the system. Select "Use the following DNS server address", and then fill in the address you get is OK, generally we fill in two, a preferred DNS server address, an alternate DNS server address (this can not fill in).

Finally, the way to solve DNS errors is to

To set the DNS server address we:

The preferred DNS server can be: 192.168.1.1 or directly using Google DNS server: 8.8.8.8
Alternate DNS servers can not write

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