The NameServer property array is used to specify one or
more nameservers. The address value must be an Internet address in
dot notation. The index specifies which nameserver to set or
return a value for. There may be up to four nameservers defined for
any single instance of the object.
A nameserver is a computer which converts a domain name, such as
microsoft.com, into an IP address which can be used to establish a
connection to a remote server. In addition to mapping domain names,
nameservers also can return information about what servers are
responsible for handling mail messages for a given domain. These
servers are called "mail exchanges" and there may be more than one
mail exchange for a domain, each with its own assigned priority.
This information is used by the SendMessage method to
determine the address of the appropriate SMTP server in order to
deliver the message to the specified recipient.
If no nameservers are specified, then the default nameservers
for the local host will be used. For those systems which use
dial-up connections to the Internet, this requires that the system
have an active connection established before this object is
initialized.