You want to add a host in the BIND zome files of wich one?
If its the SME box.. then use the Hostnames tab in Server Manager.
if its another Linux / Unix box then you have to edit the files manually..
Usually the files are in:
/var/named/
somwhere in there will be files for the forward and possibly the reverse DNS
there is a full set of DNS how-to's to help you over at
www.linux.orgHope that helps you..
Andy
PS. Let me know if your still stuck..