According to the access permissions to content types. Members special domain names

Hello.

There are three kinds of content production. The first type of content (news), all visitors can view and write comments. The second type of content (announcements), only members can view and write comments. The first two content type, content, to be entered by the editors.

Visitors can not see the news when I close access to the content. How do I make visitors see only the news.

The third type of content (information form) can only be filled by the members. Members of various physical properties of this form, job experiences, pictures and contact information will be.

Visitors will call these forms (gender, age range, education and so on. selecting such values​​), and just be allowed to see areas. In addition, members who want to, will consist of information filled in this form and use their own domain names will be installed in a building.

To be provided to members who want to use their sites with their own domain names possible? How do I need to watch a road? Which plugins do you suggest I use?

Thank you.