Here's some more specific advice regarding EDNS: http://msmvps.com/blogs/acefekay/archive/2010/10/11/edns0-extension-mechanisms-for-dns.aspx
Kurt On Tue, Aug 14, 2012 at 12:44 PM, John Hornbuckle <[email protected]> wrote: > Clearing the cache didn't help. I'll grab DIG now... > > > > -----Original Message----- > From: Ben Scott [mailto:[email protected]] > Sent: Tuesday, August 14, 2012 2:41 PM > To: NT System Admin Issues > Subject: Re: DNS Lookup Failing for One Address > > On Tue, Aug 14, 2012 at 1:42 PM, John Hornbuckle > <[email protected]> wrote: >> One of my DNS servers (Server 2008) is failing to resolve >> www.studyisland.com like so: > > There is some bug in MS-DNS in Windows 2008 R2 that causes it to randomly > get a brain crap on individual domains. I don't know the details, but it's > bit a few people on this list. Symptoms seem to match yours. Try the command > > dnscmd /clearcache > > on the server. If that clears the trouble, you need the hotfix. I > *think* this is it: > > http://support.microsoft.com/kb/2508835 > > but I might have it confused with some other bug in MS-DNS. > >> C:\>nslookup > > NSLOOKUP is brain damaged. (The biggest problem is that it can give > ambiguous error messages.) Get DIG from the ISC BIND suite and get in the > habit of using it for DNS diagnostics. > > -- 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
