Do you use forwarders? If so, are they the same for both servers? What about conditional forwarders? Are any setup? If so, are they the same for both servers?
On Wed, Nov 30, 2011 at 3:08 PM, Greg Sweers <[email protected]> wrote: > No we have only a few clients on RR and none of them use it for anything > but internet. All email is hosted. > For the last 2 days since I have pointed them to another DC running DNS > they have had no issues, but that DC is at another office. If I manually > set one of them back to the suspect DNS they about every 15 to 20 mins hit > a site or click an link inside of gmail, page cannot be displayed, hit F5 > and bam the page comes up. I haven't been able to get on to run DNS > queries at the same time, but I am going onsite to do some wifi stuff > Friday so I will test then. > > Greg Sweers > CEO > ACTS360.com > P.O. Box 1193 > Brandon, FL 33509 > 813-657-0849 Office > 813-758-6850 Cell > 813-341-1270 Fax > > > -----Original Message----- > From: Benjamin Zachary [mailto:[email protected]] > Sent: Monday, November 28, 2011 9:30 PM > To: NT System Admin Issues > Subject: RE: 2008 R2 DNS strangeness > > Hey Greg, just curious are you seeing any issues with rr.com up there? we > have an office in Tampa and since last week are getting really weird > connectivity coming out of roadrunner, and today we couldn't even email > rr.com from down here I was getting no route to host ... we have 3 > connections with this client, a T1 from Paetec, a Cable from Comcast, and a > 10mb fiber from Host.Net and all are having weird routing/locating issues > with roadrunner ... > > I don't know if that might shed some light on your situation either.. > > -----Original Message----- > From: Greg Sweers [mailto:[email protected]] > Sent: Monday, November 28, 2011 5:55 PM > To: NT System Admin Issues > Subject: RE: 2008 R2 DNS strangeness > > Thx Ben. I will get to test some more in the morning. I had to move them > all to another DNS server in the office for some major projects today and > they were flipping out. Tomorrow most of them are out so I will let you > know. Thx > > Greg Sweers > CEO > ACTS360.com > P.O. Box 1193 > Brandon, FL 33509 > 813-657-0849 Office > 813-758-6850 Cell > 813-341-1270 Fax > > -----Original Message----- > From: Ben Scott [mailto:[email protected]] > Sent: Monday, November 28, 2011 10:35 AM > To: NT System Admin Issues > Subject: Re: 2008 R2 DNS strangeness > > On Mon, Nov 28, 2011 at 9:51 AM, Greg Sweers <[email protected]> wrote: > > Sorry should have been more clear. The NSlookup is to the internal DC > > server. When you try and query it comes up with service failure or > > timeout. > > Right, but the question is, do you get different behaviors depending on > what name you query. If my DC/DNS server is 192.0.2.10, and my AD domain > is <example.net.>, I would compare: > > nslookup example.net. 192.0.2.10 > > with > > nslookup google.com. 192.0.2.10 > > I'd also check a site unlikely to be cached, such as: > > nslookup purple.com. 192.0.2.10 > > I'd also run a query against an external resolver: > > nslookup google.com. 8.8.8.8 > > I'd also avoid NSLOOKUP and use DIG (you can get it from the ISC BIND > distribution). NSLOOKUP is historically prone to giving bad diagnostics. > I don't know if Microsoft has fixed their version, but DIG gives better > information than NSLOOKUP even when both are working correctly. Example > syntax: > > dig example.net. @192.0.2.10 > > > When you try and query it comes up with service failure or timeout. > > Be aware that SERVFAIL is an actual DNS result code from a nameserver, > while a timeout is NSLOOKUP getting tired of waiting for the nameserver to > respond. > > -- Ben > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ < > http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ < > http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ < > http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected] with the body: unsubscribe ntsysadmin
