No, since it means that half of the requests will lead to the IP address 
of the server that is down when that's the case. You don't want to do 
this with DNS, the only thing it's good for is load distribution.

Brian Wall wrote:
> On Sun, Apr 20, 2008 at 11:04 AM, Josh Paetzel <josh at tcbug.org 
> <mailto:josh at tcbug.org>> wrote:
>
>     The authoritative way to do this is via multicast DNS, whether
>     that's viable
>     for you or not depends on the WAN links.
>
>
> How does this compare to setting up two A records for a given 
> hostname?  I realize that isn't TRUE failover, but does it work well 
> enough?
>
> -Brian
>