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Date: Wed, 06 Jan 2010 17:15:12 -0600
From: Stephen Montgomery-Smith <stephen@missouri.edu>
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Subject: Re: FreeBSD Security Advisory FreeBSD-SA-10:01.bind
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FreeBSD Security Advisories wrote:

> I.   Background
> 
> BIND 9 is an implementation of the Domain Name System (DNS) protocols.
> The named(8) daemon is an Internet Domain Name Server.
> 
> DNS Security Extensions (DNSSEC) provides data integrity, origin
> authentication and authenticated denial of existence to resolvers.
> 
> II.  Problem Description
> 
> If a client requests DNSSEC records with the Checking Disabled (CD) flag
> set, BIND may cache the unvalidated responses.  These responses may later
> be returned to another client that has not set the CD flag.

How do I find out if my named server is using DNSSEC?  I am using the 
vanilla defaults with named on FreeBSD.