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Certain web pages won't display website on all browsers and all computers on home network

Posted on 2014-07-28
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Last Modified: 2014-08-17
There are two computers on the home network that will display random website such homedepot.com.   We all sorts of malware scans but did not find any related issues.  We all change the DNS on both the router and  checked the local NIC.  It's a sonicwall router.  Any suggestions?
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Question by:snoopaloop
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by:jcimarron
ID: 40225724
snoopaloop--
So you cannot reach http://www.homedepot.com/ but all other websites can be visited?
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by:snoopaloop
ID: 40225797
That site and a couple other websites I can't recall
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by:tailoreddigital
ID: 40225811
I wonder if a ipconfig /flushdns from the command prompt would resolve this?

FYI,
https://www.whatsmydns.net/flush-dns.html
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by:snoopaloop
ID: 40227393
Negative.  I've already tried that.
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by:jcimarron
ID: 40227413
snoopaloop--
Look into your HOSTS file to see if homedepot.com (and the other unreachable sites) is in there.

What browser do you use?  Try another (Firefox, Chrome, IE, etc.)
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by:snoopaloop
ID: 40256464
Hi!  I'm on-site now with my laptop.   Home Depot website now does not work since I've connected to their wifi.  Heck, Experts-exchange was having problems too.   I'm using my MiFi hotspot to write.  Anyway, everything points back to the sonicwall.  Though, I'm not sure what could have caused this after already making the DNS adjustments.
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by:tailoreddigital
ID: 40256651
If you us a ping -t google.com,   do you get a consistent ping?

If the ping is inconsistent, how old is the router?   What's the distance to the router?  Have you tried another channel for the wireless?
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snoopaloop earned 0 total points
ID: 40257114
I swapped routers and discovered that ATT wanted to change PPPOE password.  Old school... yes, I know. Connectivity to all sites worked fine as soon as they provided me with the new password.
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by:tailoreddigital
ID: 40257160
If the PPPOE password was wrong then no sites would connect.    It sounds like you had a flaking out/failing router.   Congrats on the fix.
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by:snoopaloop
ID: 40258918
One would think, right?   Router has been fine ever since.
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by:snoopaloop
ID: 40265946
My solution fixed the problem
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Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

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