[ Thanks to Falko
Timme for this link. ]
“In this howto we will install 2 bind dns servers, one as the
master and the other as a slave server. For security reasons we
will chroot bind9 in its own jail.“Using two servers for a domain is a commonly used setup and in
order to host your own domain you are required to have at least 2
domain servers. If one breaks, the other can continue to serve your
domain…”