In article <Pine.GSO.3.96.970713111543.472R-100000@remora.fls.portland.or.us>,
	Hisashi T Fujinaka <htodd@fls.portland.or.us> writes:
> ... because dns goes away sporadically. 

This might be caused by unwise settings in the SOA record of your domain.
The values for "refresh" and "retry" are IMHO to low.

-- 
Matthias Scheler                                http://home.owl.de/~tron/