The monthly cost of a dedicated IP is $ 2. You can assign multiple IP addresses to vps or dedicated server, and offer the following advantages: Help the site to better indexing in Google and SEO campaigns. It gives you the benefits of sending emails and guarantees you will not get into a SPAM list. You can access the site based on IP, not just by domain name. You can set up a DNS REVERSE that helps you send emails to certain servers that check this out.