Per the suggestions from the list, I put dig on my squirrely DNS server and ran
dig +trace www.studyisland.comhttp://www.studyisland.com. Results are:
===
; DiG 9.3.2 +trace www.studyisland.com
;; global options: printcmd
. 19740 IN NS b.root-servers.net.
.
System Admin Issues
Subject: RE: DNS Lookup Failing for One Address
Per the suggestions from the list, I put dig on my squirrely DNS server and ran
dig +trace www.studyisland.comhttp://www.studyisland.com. Results are:
===
; DiG 9.3.2 +trace www.studyisland.comhttp://www.studyisland.com
Your DC has multiple IP addresses?
From: John Hornbuckle [mailto:john.hornbuc...@taylor.k12.fl.us]
Sent: Wednesday, August 15, 2012 9:08 AM
To: NT System Admin Issues
Subject: RE: DNS Lookup Failing for One Address
Oh, and to add... Each of my sites has its own DNS server. All other DNS
servers
+, Network +
Security Engineer
Lifespan Organization
ezi...@lifespan.org
From: Michael B. Smith [mailto:mich...@smithcons.com]
Sent: Wednesday, August 15, 2012 10:05 AM
To: NT System Admin Issues
Subject: RE: DNS Lookup Failing for One Address
Your DC has multiple IP addresses?
From
, August 15, 2012 10:05 AM
To: NT System Admin Issues
Subject: RE: DNS Lookup Failing for One Address
Your DC has multiple IP addresses?
From: John Hornbuckle
[mailto:john.hornbuc...@taylor.k12.fl.us]mailto:[mailto:john.hornbuc...@taylor.k12.fl.us]
Sent: Wednesday, August 15, 2012 9:08 AM
To: NT
Subject: RE: DNS Lookup Failing for One Address
Yup. When we decommissioned the old server this server replaced, some devices
were still looking for it for DNS (they had static settings). So we assigned
the old server's address to the new one as a second address.
John
From: Michael B. Smith
Admin Issues
Subject: RE: DNS Lookup Failing for One Address
I have a theory. Often when Mr. Smith asks a question he isn't looking for an
answer to that question, he is pointing you towards the answer for your problem.
From: John Hornbuckle [mailto:john.hornbuc...@taylor.k12.fl.us]
Sent
AKA fishing lesson :)
From: Kennedy, Jim [mailto:kennedy...@elyriaschools.org]
Sent: Wednesday, August 15, 2012 7:36 AM
To: NT System Admin Issues
Subject: RE: DNS Lookup Failing for One Address
I have a theory. Often when Mr. Smith asks a question he isn't looking for an
answer
Yep, and I prefer it that way.
From: Free, Bob [mailto:r...@pge.com]
Sent: Wednesday, August 15, 2012 10:49 AM
To: NT System Admin Issues
Subject: RE: DNS Lookup Failing for One Address
AKA fishing lesson :)
From: Kennedy, Jim
[mailto:kennedy...@elyriaschools.org]mailto:[mailto:kennedy
Well, since you are desperate. :) Remove one of the addresses, bounce the DC
and retest.
From: John Hornbuckle [mailto:john.hornbuc...@taylor.k12.fl.us]
Sent: Wednesday, August 15, 2012 10:44 AM
To: NT System Admin Issues
Subject: RE: DNS Lookup Failing for One Address
And I did consider
Issues
Subject: RE: DNS Lookup Failing for One Address
And I did consider that.
:)
However, (A.) this server's configuration hasn't changed in the years since it
was deployed, (B.) we've done the same thing at our other sites that aren't
having problems, and (C.) DNS is working 100% correctly
: RE: DNS Lookup Failing for One Address
Well, since you are desperate. :) Remove one of the addresses, bounce the DC
and retest.
From: John Hornbuckle
[mailto:john.hornbuc...@taylor.k12.fl.us]mailto:[mailto:john.hornbuc...@taylor.k12.fl.us]
Sent: Wednesday, August 15, 2012 10:44 AM
To: NT System
...@smithcons.com]
Sent: Wednesday, August 15, 2012 11:06 AM
To: NT System Admin Issues
Subject: RE: DNS Lookup Failing for One Address
While officially supported, having multiple IP addresses on a single DC is not
recommended and has caused problems all the way back to NT 3.5.
If you just want to make
being
AD-integrated, this won't screw anything up?
I'll read the link you sent, too. Thanks for that.
From: Michael B. Smith [mailto:mich...@smithcons.com]
Sent: Wednesday, August 15, 2012 11:06 AM
To: NT System Admin Issues
Subject: RE: DNS Lookup Failing for One Address
While officially
[mailto:mich...@smithcons.com]
Sent: Wednesday, August 15, 2012 8:06 AM
To: NT System Admin Issues
Subject: RE: DNS Lookup Failing for One Address
While officially supported, having multiple IP addresses on a single DC is not
recommended and has caused problems all the way back to NT 3.5.
If you just want
Hornbuckle [mailto:john.hornbuc...@taylor.k12.fl.us]
Sent: Wednesday, August 15, 2012 11:12 AM
To: NT System Admin Issues
Subject: RE: DNS Lookup Failing for One Address
Alas, network traces are outside of my skillset. I may have to bring in
outside help for that. I'm a technology generalist-lots
To: NT System Admin Issues
Subject: Re: DNS Lookup Failing for One Address
Your commute to work with Ken would be brutal!
Carl Webster
Consultant and Citrix Technology Professional
http://www.CarlWebster.comhttp://www.carlwebster.com/
From: David Lum david@nwea.orgmailto:david@nwea.org
...@elyriaschools.org]
Sent: Wednesday, August 15, 2012 11:09 AM
To: NT System Admin Issues
Subject: RE: DNS Lookup Failing for One Address
Another option is to set up conditional forwarding on the 'bad' dns server to
one of your 'good' dns servers for just studyisland.com
That way you will be out
: Wednesday, August 15, 2012 11:09 AM
To: NT System Admin Issues
Subject: RE: DNS Lookup Failing for One Address
Another option is to set up conditional forwarding on the ‘bad’ dns server
to one of your ‘good’ dns servers for just studyisland.com
That way you will be out of the business
I'm going to remove the older address after hours--maybe this weekend--and see
what happens.
-Original Message-
From: Kurt Buff [mailto:kurt.b...@gmail.com]
Sent: Wednesday, August 15, 2012 1:10 PM
To: NT System Admin Issues
Subject: Re: DNS Lookup Failing for One Address
If you don't
Clear the DNS cache on that particular server?
From: John Hornbuckle [mailto:john.hornbuc...@taylor.k12.fl.us]
Sent: Tuesday, August 14, 2012 10:42 AM
To: NT System Admin Issues
Subject: DNS Lookup Failing for One Address
Okay, DNS wizards... I need some input.
One of my DNS servers
Non-authoritative answer:
Name:vip1.studyisland.com
Address: 72.249.13.58
Aliases: www.studyisland.com
So looks like possible dns cache corruption on your DNS server.
(What I see from my end) (this could be due to access list on what
traffic its accepting)
server 198.153.192.1
On Tue, Aug 14, 2012 at 1:42 PM, John Hornbuckle
john.hornbuc...@taylor.k12.fl.us 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
On Tue, Aug 14, 2012 at 10:42 AM, John Hornbuckle
john.hornbuc...@taylor.k12.fl.us wrote:
Okay, DNS wizards… I need some input.
One of my DNS servers (Server 2008) is failing to resolve
www.studyisland.com like so:
C:\nslookup
Default Server: aoc-pet300.taylor.k12.fl.us
Address:
Clearing the cache didn't help. I'll grab DIG now...
-Original Message-
From: Ben Scott [mailto:mailvor...@gmail.com]
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
...
-Original Message-
From: Ben Scott [mailto:mailvor...@gmail.com]
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
john.hornbuc...@taylor.k12.fl.us wrote:
One of my DNS
On Tue, Aug 14, 2012 at 4:51 PM, Maglinger, Paul pmaglin...@scvl.com wrote:
Somebody put something in the hosts file?
Wouldn't effect data returned by DIG. Shouldn't effect data
returned by NSLOOKUP, either, but as mentioned, I don't trust that
program.
-- Ben
~ Finally, powerful endpoint
On Tue, Aug 14, 2012 at 3:26 PM, John Hornbuckle
john.hornbuc...@taylor.k12.fl.us wrote:
Yeah, I tried that. Cleared the cache, restarted the DNS server service,
even rebooted the whole machine.
Hmmm, that's interesting. A reboot *should* clear most possible
causes discussed so far, at least
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