Andrew Sullivan (ajs) writes:
> On Tue, Apr 22, 2014 at 03:04:27PM -0400, Chuck Anderson wrote:
> > What do the DNS experts say about best practices for DNS failover in
> > the stub resolver?
>
> I doubt I qualify as one of "the DNS experts", but what I have to say
> about this is, "OMG, what a mess." None of the fallback options works
> well in practice. Also, of course, your application may or may not
> pay attention to changes in /etc/resolv.conf when you change networks.
>
> I wish I had something happier to say.
If your resolver is your CPE/GW, doesn't really matter if you have
a backup. In other cases (read: larger them home and SME) I've used
Anycast.
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