Specifies the maximum number of DNS resource records
that can be returned to DNS clients.
For the value '1' of this object, the Distributed
Director only returns the 'best' server's IP address in
a DNS reply. This object can be used to specify that
multiple DNS resource records may be returned in a
completely sorted order according to the given
priorities of metrics with the 'best' selected by
normal criteria as the first one in the list.