[dns-operations] Best practices for Linux/UNIX stub resolver failover

[Phil Regnauld]

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.