In a higher chance, they want to nuke your website, because too many 301 can be harmful to SEO in some rare cases.
If they want to sell you sth, or scam, they won't do 301, because after 301 the juice power will gradually move to your domain, and its pointless to do this before any scams and sales.
If they want to sell you sth, or scam, they won't do 301, because after 301 the juice power will gradually move to your domain, and its pointless to do this before any scams and sales.