Tip & How-To about Computers & Internet

How to backup and restore DNS

The information in the DNS (Domain Name Services) is used onyour computer to the information from the web address (like www.yahoo.com) in aformat recognized by other computers on its route path to translate, backup,restore, and flush the DNS information on your computer to reboot, a usefulskill if you are currently using DNS errors on your computer.

1. Click "Start" and type "cmd" in the"Search".

2. Right click on the "cmd" and select "Runas Administrator".

3. Type "ipconfig / flushdns".

4. Press "Enter" to wash the DNS informationstored on your computer.

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Join Domain


This issue could be caused by a few things in your config. First things to look at is your networking (taken past the point of ensuring the addresses are proper, same subnet and so forth) - can you ping the DC and the DNS? If you can ping can you resolve with an nslookup? Are you using DHCP - is it running? Do you have an active firewall?

The suffix's at the end of your post are troubling - is this a copy and paste of the error message or was it keyed in? Do you have a copy of your DCDiag.txt?

Run some NETDIAG tests such as NETDIAG /d:domain and/or NETDIAG /fix which should provide you with more specific information that will pinpoint the issue (hopefully).

Nov 12, 2009 | Computers & Internet

3 Answers

is asking for dns what is dns


Hi,DNS is an Domain Name System,It is very important for website creating, I got my dream DNS from this http://www.thewebpole.com/ site ,here only the cheap and best DNS available.

Jul 22, 2009 | Belkin (F5D7230-4) Router (587009)

2 Answers

what is the acitiv dirctry


Dear , friend


Active Directory (AD) is a technology created by Microsoft that provides a variety of network services,

Active directory is a directory service used to store information about the network resources across a domain and also centralize the network.


DNS stands for Domain Name Server. These are the servers that match up a fully qualified domain with the proper IP address. This is necessary because computers only understand the IP address for your domain (eg- 123.45.678.90).


Jul 23, 2008 | Microsoft Windows Server Standard 2003 for...

2 Answers

Difference between DNS and WINS


WINS is Windows Internet Naming Service, a system that determines the IP address associated with a particular network computer. This is called name resolution. WINS supports network client and server computers running Windowsand can provide name resolution for other computers with specialarrangements. Determining the IP address for a computer is a complexprocess when DHCPservers assign IP addresses dynamically. For example, it is possiblefor DHCP to assign a different IP address to a client each time themachine logs on to the network.

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DNS, a.k.a Domain Name System is a database system thattranslates a computer's fully qualified domain name into anIP address.Networked computers use IP addresses to locate and connect to eachother, but IP addresses can be difficult for people to remember. Forexample, on the web, it's much easier to remember the domain namewww.amazon.com than it is to remember its correspondingIP address (207.171.166.48). DNS allows you to connect to anothernetworked computer or remote service by using its user-friendly domainname rather than its numerical IP address. Conversely, Reverse DNS(rDNS) translates an IP address into a domain name.

Jul 20, 2008 | Microsoft Windows Server Standard 2003 for...

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