Error Code 11004: Host not found

Hi all,
when I add new website to IIS(Windows server 2003,IIS 6,Framework 4) it work fine if i browes from IIS,but when i try to open from server explorer or any client it  not open the page and apear this error:
Explanation: An IP address for the website you requested could not be found. As a result, it was not possible to access the site.

Try the following:
Refresh page: Search for the page again by clicking the Refresh button. The timeout may have occurred due to Internet congestion.
Check spelling: Check that you typed the Web page address correctly. The address may have been mistyped.
Access from a link: If there is a link to the page you are looking for, try accessing the page from that link.
If you are still not able to view the requested page, try contacting your administrator or Helpdesk.

 Technical Information (for support personnel)
Error Code 11004: Host not found
Background: This error indicates that the gateway could not find the IP address of the website you are trying to access, possibly due to lack of information in the DNS server.
Date: 12/10/2011 9:51:42 AM [GMT]
Source: DNS error
plz help me about this problem.
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Paul MacDonaldDirector, Information SystemsCommented:
This is a DNS issue.  If you type the IP address in the browser instead of the domain name does the sure come up?

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hizzeldinAuthor Commented:
Correct it come now by ip address only, i try by alias name that is in IIS,also i try by ip address with alias.
Very thanks paulmacd.
hizzeldinAuthor Commented:
but what i do if i need to but alis name instead ip address?
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Paul MacDonaldDirector, Information SystemsCommented:
You need to publish the host name in DNS somewhere you (and anyone else you want) can find it.  So if this is an internal-only site, you could publish the hostname in your local DNS server.  If this is something you want people to find via the Internet, you'll need to publish the host name in a public DNS server.
hizzeldinAuthor Commented:
This is right,Change servername.
Thanks paulmacd
Paul MacDonaldDirector, Information SystemsCommented:
Happy to help!
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