Separate DNS slaves as internal and external

[wbrown at e1b.org]

From: "G.W. Haywood via bind-users" <bind-users at lists.isc.org>

> On Mon, 19 Mar 2018, King, Harold Clyde wrote:
> 
> > I have DNS slaves for internal and external entities. I don't know
> > how to work the NS records so that outside users would only get the
> > external slave and internal would only get the internal slave.
> >
> > How can I do this? ...
> 
> You could use a firewall to route the queries as required.
> 
> You might look at Bind 'Views', for example see the Cricket book.

Or use different instances of bind for internal and external resolution. 
Hardly any extra cost if using virtual servers. Simplifies bind 
configuration at the expense of maintaining double the number of servers. 



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