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Solved: Weird DNS Problem

Is the RIGHT answer!. But what if we have to configure many DHCP ser… Windows Server 2003 Windows 2008 IPV6 DNS PublishAddresses Connectivity Issues Article by: nexusds If you have a multi-homed DNS setup in At some point, the rouge server will show back up and then you can narrow it down to that switch, then go port by port. Thanks so much!!!  1 Anaheim OP Paul8206 Jul 11, 2014 at 8:18 UTC 1st Post Sounds like connectivity isn't the problem. have a peek at these guys

Are there any site to site VPNs set up? I haven't but will check that as well. 0 Mace OP Bud G. Adv Reply September 16th, 2011 #4 saks13 View Profile View Forum Posts Private Message First Cup of Ubuntu Join Date Sep 2011 Beans 2 Re: Weird Problem. Adv Reply Quick Navigation Networking & Wireless Top Site Areas Settings Private Messages Subscriptions Who's Online Search Forums Forums Home Forums The Ubuntu Forum Community Ubuntu Official Flavours Support New https://community.spiceworks.com/topic/468730-weird-dns-problems

Stringham Nov 9, 2013 at 11:41 UTC So I ran a MBAM scan last night and it did find some stuff. pinging (which works) resetting the windows firewall(after removing f-secure firewall) deleting the remaining F-secure services The logbook reads: Critical Event-ID 404 TaskScheduler Fault Event-ID 1002 Dhcp-Client(binged it, but no fix) Fault Would that work out like that with a rogue dhcp?

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Thanks for the suggestions so far! 0 Serrano OP HPServerExpert Nov 10, 2013 at 2:50 UTC Hewlett-Packard is an IT service provider. After doing a repair in network connection it starts working. Actually, now that I think of it... https://community.spiceworks.com/topic/406002-weird-dns-issue PRTG is easy to set up &use.

GPU RAM CPU ROM Submit Challenge × Sign up with your email address Sign up and get started with the Daily Challenge! Yesterday I couldn't. DNS Servers . . . . . . . . . . . : 10.10.10.10 How about the event logs? 0 Message Author Comment by:shiplu44 ID: 187701132007-03-22 Thanks I will try with one DNS IP.

Making this change in my DHCP settings appears to have resolved my problem, too. have a peek here Also we do have two VPN's setup to smaller schools. DNS lookup fails for google.com Originally Posted by lmarmisa Try to edit the network configuration. Join Now For immediate help use Live now!

Andhereistheproblem: -onsomecomputersin"internal"hostmy-host.my-domain.comisresolvedasAstaro's"external"IP1.2.3.5,andthewebsiteisnotaccessiblefrom"internal"; -onthosecomputerspingingmy-host.my-domain.compings1.2.3.5successfully,despiteothermappingisset; -soonafterrestartingAstaropingingmy-host.my-domain.compings192.168.1.249andwebsiteisaccessible,coupleofminuteslaterdoingthesamepings1.2.3.5andwebsitedoesn'tworkfrominternal; -websiteworksfromtheoutsideallthetime,withoutproblems; -settingstaticentryin"hosts"onwindowsboxindomainsolvestheproblemoncomputerswith"automaticDNS",butcannotbedoneoneverycomputer-therearesomelaptopswithXP,Vista,and7,changingDNScacheexpiryonacomputerdoesnotsolvetheproblem; -onthecomputerwithDNSsettoAstaro(asprimary)anddomaincontroler(secondary)problemisnotobserved. More about the author when I try to go to google.com, bing.com, or yahoo.com chromium tells me that the DNS lookup failed but any other website works. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. vBulletin 2000 - 2017, Jelsoft Enterprises Ltd.

Stringham Nov 8, 2013 at 10:49 UTC Semicolon wrote: Semicolon wrote: As Steve said, I think nslookup is a good starting place for this when it happens. the worst is when they plug the lan side into the network cause they want to use it as an AP but leave DHCP server on which causes all sorts of While it should run in a VM just fine, it's primarily designed to run on a single machine as a stand alone.Yes I did.Yet, I can give some more details: By check my blog Seems like it must be a problem at the opendns end, maybe you're using some failing DNS server IP?

this was working until fairly recently. You can also try alternate DNS server entries... Bring it on!

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if I request a knowingly invlaid fqdn though, I get the same response as you did. What could be happening is that your ISP may have an erroneous entry for google.com. Actually, now that I think of it... We're trying to figure out what's going on there, but none of the hosts that are flapping are affected by this particular problem.

Creating your account only takes a few minutes. I run an ipconfig /all and it has all the correct info for DHCP and DNS servers and it's getting an address. Not on a domain. news This is because windows registers all of its IPs… DNS How to add page numbers to a PDF with Adobe Acrobat XI Pro Video by: Joe In a recent question (https://www.experts-exchange.com/questions/28997919/Pagination-in-Adobe-Acrobat.html)

Thanks, lmarmisa! What I've tried:  Reset the routerPinging server by both ip and hostname works, nslookup failsEnsured that the server is set as the one and only DNS server in connection settings on The Server! Check both event logs. 0 Message Author Comment by:shiplu44 ID: 187728512007-03-22 Speed is full duplex autonegotiated ...

Event logs in DNS Server or client? 0 LVL 18 Overall: Level 18 DNS 4 Message Expert Comment by:chicagoan ID: 187724782007-03-22 You (on the network admin) would have to look I have run serveral Amahi 7 installs with Proxmox VE and have not experienced any of this issues. Oops, something's wrong below. The following error occurred: The semaphore timeout period has expired. .

Click here to go to the product suggestion community Weird DNS problem Ihavesetuplikethis: -Astarodrives2lans:192.168.1.0/24(called"internal")and192.168.2.0/24(called"web") -thereiswindowsdomainon192.168.1.0/24networkwithitsowndnsserver(forresolvingcomputer'snames),onwindowsdomaincontrolerdnsredirectiontoAstaroisset; -bothlansareconnectedonlythroughAstaro; -AstarohascoupleofDNSserverssetasforwarders(includingOpenDNS),anddomaincontrollerisalsoonthelist; -on192.168.2.0/24lanthereisawebserverconnectedto"web"LANon192.168.2.1,andto"internal"LANon192.168.1.249(ithasgot2separateNICs),NATrulesonAstaroallowtheservertobevisiblefromWANandadomainonexternalDNSisset(forexample:my-host.my-network.com); -onAstaroinDNS->Staticentriesaresetforthatdomaintobevisiblefrom"internal"-arulethatmapsmy-domain.comto192.168.1.249(previouslyitwas192.168.2.1,butbehaviourwasthesame); -Astaro's"external"interfacehas2IPaddressesset:one(let'ssayforexample1.2.3.4)IuseforvariousNATs,secondone(forexample1.2.3.5)Iuseforwebonly. Your cache administrator is webmaster.