I'm trying to install BIND9 in my Ubuntu server ver 8.

I already have an existing secondary dns server running BIND8 and the primary one which is almost failing and needs to be retired. The primary dns is also running an old version of BIND8.

By setting up a new dns server using BIND9, will it be possible to just copy all of the old configs from the old primary dns server and place them into the new server? Will this work?

Can I have a primary server running BIND9 then the secondary running BIND8 will work fine?

I need expert advise please.

Thank you!

DB