Performs a DNS lookup on the supplied DNS resolvable name and returns a list of IP addresses. Finds the DiscoveryAccess from the target node and attaches the list of IP addresses to it.
target is a DDD node or a device node (Host, ManagedDevice, NetworkDevice, and so on), and
name is the DNS resolvable name. If no IP addresses are found it returns an empty list. If an error occurs the
discovery.lookupAddresses function returns None.
The DNS lookup is performed from the appliance rather than the discovery target.