[CentOS] domainkeys, dkim, bind

Hello,
	I'm trying to implement domainkeys and dkim on my domain and then to
get it set up with postfix. Currently i'm having difficulty with the first
stage, adding the domainkey txt record to bind, is a special version of bind
required to do this? The machine that handles dns is using bind 9.5.1-p3.
	Thanks.
Dave.