deindexed domain

Hi guys, I just took an old expired domain which was the official website of a failed football team. Domain got some good backlinks which are in target of my money website niche but... 1. It is deindex since 1-2 years 2. It has been already used as 301 redirect is it bad to 301 now? What...

I have separate hosting account for one of my website. That site has been ranking for some time and not a long time it has been hit with penalty or who knows what, it is gone now. Completely deindexed and useless now. It has SSL issued to that domain. I just built a new website under the same...