Off Topic: Caching Bind Server Freezing

Jeff A. Earickson jaearick at
Wed Jan 27 19:08:33 GMT 2010

On Wed, 27 Jan 2010, Gottschalk, David wrote:

> Date: Wed, 27 Jan 2010 12:41:55 -0500
> From: "Gottschalk, David" <dgottsc at>
> Reply-To: MailScanner discussion <mailscanner at>
> To: MailScanner discussion <mailscanner at>
> Subject: Off Topic: Caching Bind Server Freezing
> Does anyone here use Bind to cache DNS lookups on their MailScanner boxes?
> I have a bind caching server running on each of my MailScanner machines, and occasionally named will completely freeze up. I'm not sure why this is occurring. I thought it might have had to do with SpamHaus lookups hanging (they blocked our lookups), so I disabled them in my; however, that has not resolved the issue.
> I'm running version 9.2.4.
> Any ideas would be greatly appreciated.

Upgrade to a newer version of bind?  I'm running DNS caching with bind
9.6.1-P3 on Solaris 10, never had any issues.  What OS are you on?
Any named related syslog msgs of note?  Is named short on memory?

Jeff Earickson
Colby College

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