dual master daemons .. good or bad idea?

[Duane Cox]

guys:

we have ns.servercom.com and ns2.servercom.com 
ns.servercom.com is set for master for all domains.
ns2.servercom.com is also set master for all domains via a script that runs everytime ns.servercom.com bind daemon restarts.
this keeps ns2 up to date, and doesn't require us to manually edit /etc/named.conf setting slave up for the zones.

rsync -avx --delete /var/named/ 198.76.116.2:/var/named
rsync -avx /etc/named.conf 198.76.116.2:/etc/named.conf
rsh 198.76.116.2 "/etc/rc.d/init.d/named restart"

what i am asking is, is this a good idea, or not.. should we setup ns2.servercom.com to do zone transfers?
or is this way just good enough and/or correct?

duane cox