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Network - DNS issue.

post #1 of 7
Thread Starter 
So I got a weird problem I can't relate. My computer(sig) is having what I think is a DNS problem locally. I have problem connecting to websites, and other services which requires DNS. It can randomly stop looking up the address, but suddenly work again. I have 2 separate NIC's(1 ethernet & 1 wireless) both of them gives the same problem. I've messed with my TCP/IP settings, with no luck. I've tried with my ethernet and wireless connection on my laptop, without any problem. Any other client on my network, does not have the problem.

Does it help with a re-install, or is it hardware related?

EDIT: My 2 NIC's, are both externally. Since my on-board LAN, does not work anymore.
Edited by Reshkar - 10/30/12 at 1:49am
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post #2 of 7
Check router settings instead of PC.

CMD as administrator
ipconfig /flushdns
ipconfig /registerdns

And you can troubleshoot with nslookup DNS server of your router.
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post #3 of 7
Hi there,

Could you be a bit more specific concerning your network infrastructure? Are you connected directly to your ISP's modem/router or do you have another device in between?

In addition, are you using a static implementation of network settings or you have a DHCP server responsible for that (router, modem etc.)? In order to verify that your problem is related to DNS, try to put a website's IP address on your address bar instead of the domain name. For example, instead of http://www.google.com you can try http://74.125.224.72.

I'm not sure whether you are familiar with the functionality of DNS, but it is only used to link human-readable addresses to numbers (IP addresses) in order to provide a convenient way of remembering the websites.

I hope this information helps,

BR,

croussou
post #4 of 7
post #5 of 7
Thread Starter 
Will look into it, asap. Currently at work.
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Samsung F3 Corsair Force  Western Digital Green Lite-On Blu-Ray Reader 
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Corsair H50 Windows 7 64 bit Philips 24" 1080p HDMI/DVI/VGA ROCCAT Isku 
PowerCaseMouseMouse Pad
Chieftec Super Series 750W NZXT Phantom(black) Steelseries Diablo 3 Razer Goliathus Alpha 
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Phenom II X6 1090T @ stock ASUS Crosshair IV Formula Sapphire Radeon 6950 880/1375 @ 1.110 Corsair Dominator 8GB 
Hard DriveHard DriveHard DriveOptical Drive
Samsung F3 Corsair Force  Western Digital Green Lite-On Blu-Ray Reader 
CoolingOSMonitorKeyboard
Corsair H50 Windows 7 64 bit Philips 24" 1080p HDMI/DVI/VGA ROCCAT Isku 
PowerCaseMouseMouse Pad
Chieftec Super Series 750W NZXT Phantom(black) Steelseries Diablo 3 Razer Goliathus Alpha 
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post #6 of 7
Thread Starter 
@DiNet:
Ran those commands(attached image)


@drbaltazar:
Results from the problem source: Problem

Results from my laptop, which works: Working

@croussou:
My infrastructure is made of 1 router, with 0 access points to support. Direct connect to the router, wireless and ethernet. 3 clients, were 1 does not work properly. I'm currently at my laptop(see results from Working ).

Hope that gives a bit more information to go on smile.gif

EDIT: Oh and, "http://www.google.com you can try http://74.125.224.72." didn't make any difference.
Also just throwing in my router model, ZyXEL P-660HW-T3 v2 while we're at it.
Edited by Reshkar - 10/30/12 at 10:03am
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CPUMotherboardGraphicsRAM
Phenom II X6 1090T @ stock ASUS Crosshair IV Formula Sapphire Radeon 6950 880/1375 @ 1.110 Corsair Dominator 8GB 
Hard DriveHard DriveHard DriveOptical Drive
Samsung F3 Corsair Force  Western Digital Green Lite-On Blu-Ray Reader 
CoolingOSMonitorKeyboard
Corsair H50 Windows 7 64 bit Philips 24" 1080p HDMI/DVI/VGA ROCCAT Isku 
PowerCaseMouseMouse Pad
Chieftec Super Series 750W NZXT Phantom(black) Steelseries Diablo 3 Razer Goliathus Alpha 
AudioOtherOther
On-Board ASUS PCE-N53 11n N600 PCI-E Adapter Sunsway/ST Lab PCI Fast Ethernet Adapter 
  hide details  
Reply
Remedy
(19 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1090T @ stock ASUS Crosshair IV Formula Sapphire Radeon 6950 880/1375 @ 1.110 Corsair Dominator 8GB 
Hard DriveHard DriveHard DriveOptical Drive
Samsung F3 Corsair Force  Western Digital Green Lite-On Blu-Ray Reader 
CoolingOSMonitorKeyboard
Corsair H50 Windows 7 64 bit Philips 24" 1080p HDMI/DVI/VGA ROCCAT Isku 
PowerCaseMouseMouse Pad
Chieftec Super Series 750W NZXT Phantom(black) Steelseries Diablo 3 Razer Goliathus Alpha 
AudioOtherOther
On-Board ASUS PCE-N53 11n N600 PCI-E Adapter Sunsway/ST Lab PCI Fast Ethernet Adapter 
  hide details  
Reply
post #7 of 7
If the commands issued above didn't resolve your issue, use this program. It will first run a DNS benchmark which you can also determined several possible issues, then make sure you click to "gather your own list" that will allow you to have a better option for enhancing your DNS overall with opendns or whatnot.

http://www.grc.com/dns/benchmark.htm

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