[isalist] OT: DNS and Forwarders

  • From: "ISA" <ISA@xxxxxxxxxxxxxxxx>
  • To: <isalist@xxxxxxxxxxxxx>
  • Date: Wed, 18 Oct 2006 12:59:02 -0400

http://www.ISAserver.org
-------------------------------------------------------

"This time" it was with forwards. But note the same thing has happened
'without' forwards.



Joseph Danielsen, MCSA-Messaging, MCP

Network Blade Inc.

49 Marcy Street

Somerset, NJ 08873

732-213-0600

www.networkblade.com

 

 


-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of Steve Moffat
Posted At: Wednesday, October 18, 2006 12:47 PM
Posted To: ISA
Conversation: [isalist] OT: DNS and Forwarders
Subject: [isalist] Re: OT: DNS and Forwarders

http://www.ISAserver.org
-------------------------------------------------------
  
With or without forwarders?

S

-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of ISA
Sent: Wednesday, October 18, 2006 1:39 PM
To: ISA Mailing List
Subject: [isalist] OT: DNS and Forwarders

http://www.ISAserver.org
-------------------------------------------------------

OK - while we were chatting the DNS went down again. I restarted the DNS
and its working again.

Maybe a call to MS Tech Support is due -



Joseph Danielsen, MCSA-Messaging, MCP

Network Blade Inc.

49 Marcy Street

Somerset, NJ 08873

732-213-0600

www.networkblade.com






-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of Steve Moffat
Posted At: Wednesday, October 18, 2006 12:19 PM
Posted To: ISA
Conversation: [isalist] OT: DNS and Forwarders
Subject: [isalist] Re: OT: DNS and Forwarders

http://www.ISAserver.org
-------------------------------------------------------

Indeed

-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of ISA
Sent: Wednesday, October 18, 2006 1:14 PM
To: ISA Mailing List
Subject: [isalist] OT: DNS and Forwarders

http://www.ISAserver.org
-------------------------------------------------------


This actually has happened with and without forwarders -

Steve, I interpret your suggestion as using only the Root Hints?



Joseph Danielsen, MCSA-Messaging, MCP

Network Blade Inc.

49 Marcy Street

Somerset, NJ 08873

732-213-0600

www.networkblade.com






-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of Steve Moffat
Posted At: Wednesday, October 18, 2006 12:08 PM
Posted To: ISA
Conversation: [isalist] Re: OT: DNS and Forwarders
Subject: [isalist] Re: OT: DNS and Forwarders

http://www.ISAserver.org
-------------------------------------------------------

FWIW.....I have 2 caching only DNS Servers that I setup to use as
forwarders for my AD DNS Servers, when I use them, I get the very same
issue. If I however, remove them from the forwarders section, I have no
DNS Issues at all whatsoever, anytime.

S

-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of ISA
Sent: Wednesday, October 18, 2006 1:03 PM
To: ISA Mailing List
Subject: [isalist] Re: OT: DNS and Forwarders

http://www.ISAserver.org
-------------------------------------------------------

Thanks Mike:

I will try clearing the cache - but this happens now about everyday
(morning usually). I really have to find the source of the problem.



Joseph Danielsen, MCSA-Messaging, MCP

Network Blade Inc.

49 Marcy Street

Somerset, NJ 08873

732-213-0600

www.networkblade.com






-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of Michael Ross
Posted At: Wednesday, October 18, 2006 12:01 PM
Posted To: ISA
Conversation: [isalist] OT: DNS and Forwarders
Subject: [isalist] Re: OT: DNS and Forwarders

http://www.ISAserver.org
-------------------------------------------------------

Windows 2003 DNS servers?
Believe it or not, ive seen that . It's a cache pollution type of
behavior, with no logging or other signs to prove that.
Try to clear the DNS cache next time and see if it helps.

-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of ISA
Sent: Wednesday, October 18, 2006 10:59 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] OT: DNS and Forwarders

http://www.ISAserver.org
-------------------------------------------------------

Steve: Funny you should say that because I've done that a few times.

DNS stops - I removed the forwards - Restart DNS - DNS works.
DNS stops - I change the forwards - Restart DNS - DNS works.

I want to blame my server but I'm just not sure where the failure is.



Joseph Danielsen, MCSA-Messaging, MCP

Network Blade Inc.

49 Marcy Street

Somerset, NJ 08873

732-213-0600

www.networkblade.com






-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of Steve Moffat
Posted At: Wednesday, October 18, 2006 11:55 AM Posted To: ISA
Conversation: [isalist] OT: DNS and Forwarders
Subject: [isalist] Re: OT: DNS and Forwarders

http://www.ISAserver.org
-------------------------------------------------------

Remove the forwarders.....then see how fast your Internet speed
gets...:)

S

-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of ISA
Sent: Wednesday, October 18, 2006 12:49 PM
To: ISA Mailing List
Subject: [isalist] OT: DNS and Forwarders

http://www.ISAserver.org
-------------------------------------------------------

Hello All -

This might be off-topic, but has anyone every had their Windows DNS/DC
server intermittently stop forwarding DNS requests?

I checked with the ISP and they don't recognize and problems on their
end.

JD
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