[dns-operations] How does resolver query works

[Stephane Bortzmeyer]

On Wed, Mar 10, 2010 at 03:31:10PM +0100,
 InterNetX - Marco Schrieck <marco.schrieck at internetx.de> wrote 
 a message of 38 lines which said:

> But what happens if a NS entry has more IPs? Is each IP is
> asked or only one?
> 
> I think it depends on the implementation.

IMHO, no. RFC 1035 (section 7.2) clearly said that the list of name
servers for a domain, in the resolver's memory, is a list of
*addresses*, not of names.