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Windows 7: can not open only 2 websites

21 Feb 2012   #1

Vista Ultimate 64
 
 
can not open only 2 websites

I have a client that has 9 work stations hardwired and 3 laptops wireless and 1 server hard wired and none of them can connect to 2 specific websites. The workstations are running Windows 7 Pro 64bit, laptops are Windows XP Pro and the server is Windows Server 2008 Standard R2 64bit. They were all able to open the 2 sites last Friday and now they cannot. I can ping and trace rout the IP address of the 2 sites and get no loss but if I ping/trace rout the site name it will not work. I know it’s not the sites that are having the problem because I can open it on my cell phone. But when I hook up my phone to their wireless I cannot open the site. If I put a static DNS IP of their ISP on the computers then I am able to connect to the 2 sites. I called there ISP and they said something must of changed in there network but I check all there settings and nothing has changed. I have never seen this before and am at a loss of what to do.

Thanks,
Dennis


My System SpecsSystem Spec
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21 Feb 2012   #2

Windows 8.1 Pro RTM x64
 
 

Can they access the sites if the IP addresses are used as opposed to the name? If so, this is a DNS issue, specifically the DNS servers currently used aren't capable of resolving the names of these sites into their actual IP addresses.

Make a note of the current DNS settings in the router, and change them to Google's on 8.8.8.8 and 8.8.4.4. If that works, then the problem lies with the ISP.
My System SpecsSystem Spec
21 Feb 2012   #3

Vista Ultimate 64
 
 

Quote   Quote: Originally Posted by Dwarf View Post
Can they access the sites if the IP addresses are used as opposed to the name? If so, this is a DNS issue, specifically the DNS servers currently used aren't capable of resolving the names of these sites into their actual IP addresses.

Make a note of the current DNS settings in the router, and change them to Google's on 8.8.8.8 and 8.8.4.4. If that works, then the problem lies with the ISP.
I will try that. But when i was on the phone with the ISP they said they were able to open the same sites and they use the same DNS that is set in my modem/router.
My System SpecsSystem Spec
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21 Feb 2012   #4

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

ping -a www.somewebsite.com
now you see the ip address. Is that the right ip-address? just compare with Traceroute, Ping, Domain Name Server (DNS) Lookup, WHOIS ping www.google.nl replace www . google .nl of course with real site name
My System SpecsSystem Spec
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 can not open only 2 websites




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