Dynamic update of virtual hosting domains

[Peter Rabbitson]

Kevin Darcy wrote:
> You can have multiple zone definitions refer to a "portable" zone file, 
> or you can enable Dynamic Update on the domains, but you can't mix the two.

Can you elaborate on the concept of "portable zone file"? I am not sure I 
understand what you are trying to convey.

> If you have a shared zone file, you'd still need to take care to update 
> the SOA serial number every time you make a change, and to arrange for a 
> reload of the relevant zone data.

I was going to use reasonably low TTLs to solve caching problems.

Peter