The second level domain associated with the IP address. This will be something like "example.com" or "example.co.uk", not "foo.example.com". This value is only set when using the City or Insights web service or the Enterprise database.

public string Domain { get; }

Public ReadOnly Property Domain As String
	Get

public:
property String^ Domain {
	String^ get ();
}

member Domain : string with get