301 Redirect for the new google search update ?

Using a 301 redirect to move your adult website to a new domain can be a good strategy. It tells search engines that your site has permanently moved, helping to transfer your existing traffic and rankings to the new domain. However, be aware that the impact of a redirect depends on how well you manage it. Make sure the new site is optimized and relevant to the original content. If done correctly, a 301 redirect shouldn’t negatively affect your new website. Just keep monitoring its performance after the change.

For my real estate landing page, I want to buy expired domain with back links, I know how to find the d domain, but I dont know how to check, if the domain having penalty, its having good back links etc, shall someone show some light on how to check all this things.