Question about Usergroup and Style

[reifegerste]

Hi,

is there any possibility to create certain user groups, so that they use the
same forum, but see - because they use different domains - different
content.
For example: User group A sees with its domain everything while user group B
sees only a few.
It would be great if it it was also possible to use those user groups as
"unregistered user" (so that also user who see the forums for the first time
see different contents because they use their different domains).

Thanks a lot,

Lars

UPDATE:
My chef said the following:

"We use for example different style sheets i.e. we could create anonym user
groups and the programme tests, which style sheet has to be opened and shows
only the forums which belong to it. Or you use the domain name, that can be
asked by certain variables and that decides, which "anonyme user" (--> which
forum) has to be used."