TCP/IP and DNS problem

I am using DSL to connect to the internet on my machine (Win 2000). I have a problem
when ping the IP addresses is find, but if I used the ping www.yahoo.com I could not find host.
The same thing with on the IE when I typed in  www.yahoo.com I got page cannot be display,but
if I type in the IP address on the URL I able to display the page.
I heard that I needed to reinstalled window 2000. Is there another easy way I don't wanted to reinstalled my window I have alot of information on my computer.

Thank you,

heriyuAsked:
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LucFEMEA Server EngineerCommented:
Hi heriyu,

Most likely it's just a corrupted tcp/ip stack or winsock.
Here is a tool to fix both at the same time:
http://www.spychecker.com/download/download_winsockxpfix.html
(note that it also applies to win2k)

This can happen with some pieces of ad/spyware, see the general information here: http:Q_20975384.html

Greetings,

LucF
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kain21Commented:
have you tried to ping your dns servers and verify you are able to see them?
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anil_uCommented:
Sounds like a DNS issues

Check your Hosts file
C:\WINNT\system32\drivers\etc\hosts
open it in notepad and make sure that only the following line exists (and comments)

127.0.0.1 localhost

if there are more lines then remove them
   
Check that your configutions are pointing a DNS server and that you can see it
command prompt
ipconfig /all
then ping the dns servers


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jeremiahjCommented:
i'd suggest following up with your dsl provider about these name to ip resolution issues. until then you could try borrowing someone else's dns server ip until the apparent issue is resolved. i have experienced similardsl resolution woes, and have a backup primary in the event sbc decides to inexplicably fail to resolve addresses.
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rindiCommented:
I'd also opt for a DNS issue. You may have to get into touch with your DSL provider to setup your DSL Modem correctly.
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heriyuAuthor Commented:
I am able to ping all the dns servers. I called the DSL(Verizon) they said I have reverse IP address and call Dell. Dell still can not resolved my issue and said it might be my DSL provider
problem and Dell suggest to reinstalled window.

LucF
I could not go to the spyware webside with the www.spychecker I need the IP address.

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LucFEMEA Server EngineerCommented:
Ah, no second computer for you...
This link might help you a little more:
http://69.28.135.166/download/download_winsockxpfix.html
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anil_uCommented:
For your general knowledge, Domain names are resolved in the following order

1. Hosts
2. DNS Server
3. NetBIOS
4. Wins
5. Broadcast
6. LMHOSTS

This may give you some ideas
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LucFEMEA Server EngineerCommented:
If the link above also doesn't work (as there is a redirect in it) please try this link:
http://65.24.134.81/KipSolutions/WinsockFix/WinsockxpFix.zip
(courtecy of Fatal_Exception)
You'll need winzip or similar to extract the file.

LucF
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thribhuCommented:
It is confirmed that the problem is with DNS.

If u have a DSL router See what is the DNS u got along with the IP from your ISP...........
Enter the same DNS in your systems too....
If u r unable to find from the DSL router then ask your ISP support for the DNS numbers.....
or u can use Dynamic DNS too..........

from the below links

http://63.215.241.203 
redirects to as no-ip.com
or
http://dns2go.deerfield.com/
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mugman21Commented:
heriyu,

I've had problems simular to this before. If you are running a firewall on your computer, uninstall it, reboot, test your browser, then reinstall your firewall. Sometimes, the NDIS filter hook doesn't engauge correctly if something within the firewall becomes currupted. Try this before reinstalling your OS.

Mugman
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heriyuAuthor Commented:
I tried the spyware software still not work and I call verizon they I have reverse dns and dell
cannot not help me. They repair window 2000 and rename some of wsock32 files still not work.  I did uninstall my firewall still not work.
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mugman21Commented:
Heriyu,

go to your start menu, click on Run, type in "cmd" to open a dos prompt. at the prompt, type "SFC /SCANNOW" . Make sure you have your install disk handy incase it ask for it. the sfc command launches the 'system file check' program. it will scan and repair your operating system.

using the system file check utility, you'll be able to preserve all your files and settings. This will fix you up.....

Mugman
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heriyuAuthor Commented:
I ran sfc /scannow still not work
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LucFEMEA Server EngineerCommented:
If it's possible for you, please try another computer on this connection, that'll show if it's the computer or the modem/router.
If you're connecting through UTP, have you tried changing the Cable and/or the NIC? To sort out if it's a hardware problem.

LucF
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heriyuAuthor Commented:
I needed to borrow laptop and try to connect to the modem and see I have the same problem then I know that the modem, otherwise my computer is a problem.  I will let you know tomorrow.

Thank you,

Heriyu
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heriyuAuthor Commented:
I think it my computer and Dell told me I need to reinstall Window.  They tried the spyware software still not working.  
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