replacing proxying dns servers ... split dns.. host files?

[Mark Andrews]

> Hi guys, I've got a question for all you gurus out there.  We are
> replacing a proxying firewall that has split dns.  The firewall allows
> host name type overrides for any entry you want.  Obviously this isn't
> RFC compliant for a DNS server, but they would like to continue with
> using that functionality if at all possible.  From my research I believe
> that using split DNS with BIND (view statements) would be what I want to
> implement.  However, I do not know how to get the host file type
> resolution without hosting the entire zone of a site.  
>  
> 
> For example:
> 
>  
> 
> Let's say for some reason we need to route mail for user at yahoo.com to a
> different mail server for mail relaying.  (say we're blacklisted or some
> other silly reason doesn't matter this is just for example)
> 
>  
> 
> On the current system we just pop in an mx record for yahoo.com and the
> email is now re-routed to the other server.  
> 
>  
> 
> I can find no way to do this in BIND currently.  I have seen that
> dnsmasq forwarding dns server can do host file overrides, but I am not
> certain on how to bring that functionality into BIND.  
> 
>  
> 
> Any thoughts guys?

	Named doesn't currently support this.
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org