or you do as i do, give your zone a refresh time of 5 minutes or so and use rndc to update the zone. this is of course bind 9, but you could use nsupdate on bind 8 to accomplish the same. read about it on the web. for reference, the domain i am talking about is dyn.madduck.net, so if you do a soa lookup on dyn.madduck.net, you'll see what i mean.
martin [greetings from the heart of the sun]# echo [EMAIL PROTECTED]:1:[EMAIL PROTECTED]@@@.net -- "no, 'eureka' is greek for 'this bath is too hot.'" -- dr. who