default local DNS caching name server

[Bruno Wolff III]

On Fri, Apr 11, 2014 at 14:21:30 -0500,
   Dan Williams <dcbw at redhat.com> wrote:
>
>NM in F20+ already has a "dns=none" option that prevents NM from
>touching resolv.conf, but obviously if NM isn't touching it, the DNS
>information that NM gets from upstream or your local configuration needs
>to get to the local caching nameserver somehow.  Which is what the
>existing NM DNS plugins are for, like the dnsmasq one.

If you are running a caching resolver you don't need the DNS information 
from DCHP (except except for the hotspot issue) at all. For example, 
dnscache can be used for this. (It doesn't do dnssec though, so wouldn't 
provide what is wanted for the proposal.)