[isalist] Re: OT: DNS and Forwarders

  • From: Steve Moffat <steve@xxxxxxxxxx>
  • To: ISA Mailing List <isalist@xxxxxxxxxxxxx>
  • Date: Wed, 18 Oct 2006 13:08:10 -0300

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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