[dns-operations] question on dns setup, name-servers on adjacent IPs

[Stephane Bortzmeyer]

On Thu, Aug 25, 2016 at 09:11:53AM -0400,
 wbrown at e1b.org <wbrown at e1b.org> wrote 
 a message of 91 lines which said:

> What is the timeout value in the application?  If one of the servers
> is down or loses a UDP packet, and the application needs to retry
> the second server, is it waiting long enough?

Most applications do not perform name resolution themselves, so this
is irrelevant. (The resolver will retry, not the application.)