Use an IP reputation tool like https://mxtoolbox.com/blacklists.aspx
What you will find is that many dedicated IP's from larger vendors are fine.
I personally use Hetzner and don't have any issues with reputation at all.
What you will find is that many dedicated IP's from larger vendors are fine.
I personally use Hetzner and don't have any issues with reputation at all.
IME anything that can be purchased by an average developer is in some list nowadays and deliverability is always crap (with luck it lands on spam folder).