If they are of equal importance, I would suggest something like
Unison on the the zones (but problem of any possible overlapping updates)

or one should be the super master and a rsync or rdist as mentionned
under Albiz and Cricket - O'reilly DNS and BIND - would do the trick


Sangoi, Nehal (GE Supply, consultant) a écrit :
> Hi All
> I have two Master servers residing at different locations and I want to
> tranfer the zone updated between the two. How that can be configured in
> to bind (9.2 on linux).
> Regards
> Nehal