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Windows cannot find the hostname "" using DNS

When I try to access the website - I receive the error:   Windows cannot find the hostname "" using DNS

When I try to access that same website from my work PC or even my phone - it comes up fine.  My home PC and laptop (which cannot reach the site either) are both Vista machines.  My work PC is Win 7 and my phone(s) are BB and Android.

I Googled this and tried some suggestions such as releasing/renewing & flushing the DNS but none of that worked.  I also tried unplugging the modem and router and replugging them in.  

I do not have this issue with any other websites ...

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2 Solutions
this might not be your problem.
It sounds like your DNS (which your ISP usually provides) is a bit screwey.
As a test, you can change your router to give out a different DNS to the clients.
In the router, put in a "fixed" dns of - this is a public google DNS .
then do a release/renew on your notebook to get the new settings...
see if that helps?
nancyk2000Author Commented:

I dont know how/where to do this on a router - do I just enter the IP address of the router and go from there or ?
This is definitivley a DNS lookup problem. Here are some suggestions:
1) at command prompt:  ipconfig /flushdns
2) inactivate/activate network adapter
3) change manually to a different DNS server
4) edit the hosts file, add:

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Are you getting any error in the Application log on the Vista machine, example as below.

Event Type: Error
Event Source: AutoEnrollment
Event Category: None
Event ID: 13
Date: Date
Time: Time
User: N/A
Computer: Computer
Automatic certificate enrollment for Local system failed to enroll the CertType certificate from CA-name
what other you can do is that install the latest service pack

or else the other workaround is that, add an entry for the remote host to the Hosts file on the client computer. The Hosts file is located in the following folder:
although adding the entry manually will get to that address, there is still an underlying problem with the network setup.
Nancy2000, what type of router do you have?
i *may* be able to help you reconfigure it...
nancyk2000Author Commented:

I have a Linksys router ...
if you open your browser, and enter you will get to the login of the router.
leave the username blank and enter 'admin' in the password field. This is the default. If you have changed it, then login with whatever you changed it to.

On the main page, you will see a section called "dhcp server settings". DHCP server should be set to enabled. a few lines down you will see "static DNS 1:". enter (an 8 in each of the 4 boxes).
click the save settings button on the bottom of the page.
you will get a notice that the settings were changed/saved successfully.

on your computer, click the strat button and in the run box type 'cmd" then the enter key. This will bring up a black box/window.

Type 'ipconfig /release' then press enter
type 'ipconfig /renew' then press enter

see if that fixes the problem
Adding the domain name & ip to the hosts table (above) should work, but it more fixing the symptom than solving the problem...  In any case, you definitely have a DNS issue...

Q1. At the problem system, in the command line window, when you ping what is the addr shown?
 (e.g., ) ping >> Pinging [] with 32 bytes of data:

2. in the same command line window, do the following
netsh interface ip delete arpcache
arp -a (should show arp cache is cleared)

3. now ping at your should get  
- If not, open a browser and enter into the address bar - it should take you to Barclaycardus.

4. I am not sure of your OS, but you are still having a prob, change to diff dns server (enter the following 2 commands)

> ipconfig/all (and note both your dns servers for the CORRECT adapter (Ethernet, wireless, etc);
 Default Gateway . . . . . . . . . :
 DNS Servers . . . . . . . . . . . :  (this is primary)
                                       (this is secondary)
 NetBIOS over Tcpip. . . . . . . . : Enabled

> netsh interface ip set dns "Local Area Connection" static

NOTE: Delete your browser cache & try again... If this works, your problem is/was your primary (vs secondary) dns server & with a new DNS set you are good to go.  If you have other prob system, enter the same  "netsh" command on the other adapter/systems.

> netsh interface ip set dns "Local Area Connection" static

Per my above instructions, pls post any problems or inconsistancies...

Good luck!

nancyk2000Author Commented:

I will try this all at home tonight and report back & accept solutions (hopefully!) tomorrow morning - thank you!

Craig BeckCommented:
Try using NSLOOKUP at the command prompt.

Click on the Start button and enter CMD into the search field.
Click on the CMD icon when it appears in the search results.

A black window will appear.

At the prompt type:

You will be prompted with something like the following:
Default Server:  UnKnown


Type the following at the > prompt:

If you get the following output DNS is ok:

Non-authoritative answer:

If you don't get that response type the following at the > prompt:


Then type:

If you get a response similar to the below you need to change your DNS servers:

Non-authoritative answer:

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