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Asked: 2011-12-04 10:00:07 +0800 CST

site taking too much time to load with domain name, but when I open with IP Address it works fine

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I have a website which I have hosted on Windows 2008 R2 Dedicated Server.

Now, I have problem is my site taking almost 30 second to connect it through it's domain name any ".asp" pages. All other html and ".js" work fine so I don't think there is any dns issue.

But when I access those same pages with server IP address it opens in a second.

So the problem is opening any "Hello World" ".asp" page through domain name it takes almost 30 second.

Please advise me.

Server: Windows 2008 R2 Xenon DUAL CPU IIS 7

domain-name-system iis-7.5 asp windows-server-2008-r2 loading

5 Answers

  1. Seems like a DNS issue. Try to troubleshoot with:

    nslookup your.url.com
nslookup 1.2.3.4     # bare IP address
ping your.url.com    # ping uses a system DNS resolver, so it differs from nslookup

    Do this on both the client and the server.

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  2. 30 seconds is the tipoff - Your workstation has multiple DNS servers configured; the first is not working, and it takes 30 seconds to give up on that one and try the next. Try the troubleshhoting steps above, and also:

    nslookup your.url.com 4.2.2.2

    (Really type 4.2.2.2, it's a public DNS server)

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  3. Try to use Google's public DNS servers (8.8.8.8 and 8.8.4.4) to see if it's a problem with the DNS servers you're currently using.

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  4. I would advice you go with a managed DNS. They are usually more reliable than hosting your own and of course faster.

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  5. Have you tested your site for performance holes, means your components like attached css, js, images can be on subdomain with different IP. I dont know the name of your website to tell you the actual problem, but suggest you to check website performance holes in http://zingro.com/. It may be helpful.

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