All questions related to installations, configurations and maintenance of Advanced Host Monitor (including additional tools such as RMA for Windows, RMA Manager, Web Servie, RCC).
No, its impossible.
Honestly I do not understand the problem. If your network is not protected by firewall, any scanner will provide so much information about your servers (IP addresses and hostnames, started services, open ports and so on...). If it is protected what threat can be caused by hostname?