I sometimes register a few TLD's around my main domain names, to help protect against squatting.
In a specific instance, I have a couple of domains 301 redirected to Domain A.
For redundancy's sake I'm now looking to set up one of these redirected domains - Domain B - up by itself, and split off a couple of features from Domain A to it.
A concern is that I would like Domain B content to be still publically accessible when moved from Domain A.
However, will search engines (Google, Yahoo!, MSN) ignore Domain B with it having already been used in a redirect?
I have a nagging worry that domains once 301'ed are at best likely to be treated with suspicion and contempt by search engines, and at worst completely excluded from further consideration.