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Dns Error Intermittent Internet

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Even though many DNS servers use root hints for Internet name resolution, some use forwarders to link to an ISP's DNS server. READ MORE © CBS Interactive Inc.  /  All Rights Reserved. Here are10 of my favorite DNS troubleshooting techniques. I think if I understood why it thinks it's DNS related I would be a bit closer to solving this. http://darrenmanning.com/dns-error/dns-error-on-internet.html

Answer this question and I will apologize and thank you for this. "One query, is it at all possible that (I believe anyway) due to the DNS using UDP traffic. When this problem happens, it seems to affect all machines simultaneously. This connects to three computers over ethernet (all running Windows 7), as well as the occasional laptop, printer, and portable device over WiFi - I use unblock-us.com as my DNS on When the issue is happening, can not in fact ping anything outside or browse a website using ip address only.

Intermittent Dns Server Not Responding

It would not shock me if they offer to replace this modem-router with another straight out of the shoot. If you determine that only some users are affected, check to see whether all those users are located on a common network segment. I have an Optus mobile broadband connection.

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But not of the computers on my network can load web sites using any browser. - In general, while I'm not 100% sure, it seems to me that the problem goes Intermittent Dns Failure It is here: http://n1.netalyzr.icsi.berkeley.edu/ share|improve this answer answered Nov 30 '09 at 14:59 Sherri 19819 add a comment| up vote 2 down vote It sounds a lot like a DNS problem, It can't be because it sees the first-hop DNS server locally. My intermittent network drops (connected but no internet access) went away.

Track this discussion and email me when there are updates If you're asking for technical help, please be sure to include all your system info, including operating system, model number, and Dns Error Internet Explorer I initially suspected a DNS poisoning attack, but ruled out such an attack because only one computer was affected. Back to top BC AdBot (Login to Remove) BleepingComputer.com Register to remove ads #2 mjd420nova mjd420nova Members 1,093 posts OFFLINE Gender:Male Local time:03:14 AM Posted 18 November 2015 - I would take this up with your ISP because, as you observe, it's across machines and device types and if all are experiencing the same issue at the same time it's

Intermittent Dns Failure

To diagnose: ipconfig /flushdns tracert to the domain name What happens? The problem was that a virus had integrated itself into the TCP/IP stack and was intercepting all name resolution requests. Intermittent Dns Server Not Responding At first I thought my primary DNS server (2008 R2) was flaky, because when I looked at my forwarders, often it could not resolve the FQDN's, but then minutes later it Intermittent Dns Issues Windows 7 Apparently they can fix it by changing a setting at their end.

When errors are happening, it affects all users. news Is my teaching attitude wrong? I'm pretty sure I have ruled out my local DNS server. Spoke too soon. Intermittent Dns Lookup Failure

When I got the new modem, I just plugged it in, and everything seemed to work, and I never thought about it. The curious thing is we returned our router to our service provider and got a new router and we are still having these issues and it's not just one computer it In general, my internet works fine. have a peek at these guys However, I assume it will still follow normal DNS procedure of forwarding upstream right?

The answer is going to make a difference in how you will have to troubleshoot the problem. Dns Error Ps3 Internet How do I debug an emoticon-based URL? Also with the new traffic filtering and governments that want to block sites and more, what should work may fail.To get deep into a specific failure we have to not only

To navigate that you have to turn the domain in the URL to an IP address.

So I want to know the technical part to what could cause this Flag Permalink Reply This was helpful (0) Collapse - Simply yes. Teksavvy in Toronto. Browse other questions tagged windows networking wireless-networking dns . Dns Error Internet Explorer Cannot Display The Webpage I'll then sit and press F5 to refresh the page until eventually after a minute or so it'll suddenly work.

Register now! Export/Backup your Identity Safe data. Using that tool- when the problem is occurring, it seems that I am unable to ping any web site if I specify it by domain name. check my blog Again, my Juniper firewall handles multiple networks, only one of which is the office LAN with my DNS server.

If I'm downloading a large file, the download continues even while I'm failing to bring up web pages. There was also another number below the Primary number which was 61.88.88.88. Wait a couple minutes. But to do this, I'd potentially need to disconnect two of my computers from the internet for a couple of weeks, which isn't practical.

up vote 5 down vote favorite 1 On my laptop, my internet connection fails now and again. I have no real theory to why it would be intermittently responding and its probably because I don't understand DNS to the fullest extent but I would love someone to explain Most recently it told me "Windows tested your internet connection and verified that you are able to access some websites." which suggests that it cannot see a problem. Wendy70 Newbie1 Reg: 16-Dec-2012 Posts: 4 Solutions: 0 Kudos: 0 Kudos0 Re: Frequent DNS lookup failed messages and slow intermittent internet Posted: 18-Dec-2012 | 2:45PM • Permalink I believe I was

Checkout the Wiki Users are encouraged to contribute to and grow our Wiki. Was able to set up my own home network on Tomato w. Though I suppose even if I just get to the Plesk Hosting homepage, that proves my connection is up. If you can ping the host by IP address but not by name, check your DNS server to make sure that a Host (A) record exists for the host.

I used to get this all the time, but since switching they've gone away. Similarly- when the problem occurs, I 'd love to be able to do whatever testing/troubleshooting I can as quickly as possible...