What is Multi Domain SSL Certificate? Multi Domain SSL Certificates allow you to use a single SSL certificate in a shared environment. For example, if you need to secure 50 different web sites using SSL certificate and only 1 IP address to be used among them. A multi domain SSL Certificate is ideal to protect all the websites. Multi-domain certificates can secure upto 100 domains. Using a single multi-domain certificate, organizations can reduce costs and simplify certificate management. Multi-domain certificates also known as UCC (Unified Communications Certificate). Multi-domain SSL v/s Wildcard SSL : Main Difference between Multi-domain and Wildcard SSL is that, a wildcard SSL can secure as many as subdomains of a single domain. It can not secure domain.com and domain.net simultaneously. While multi-domain SSL can secure domain.com, domain.net as well as another-domain.com simultaneously using single SSL Certificate. Why Multi-domain certificate from AccuWebHosting? No need for separate IPs for each domain. Free unlimited re-issue. works on Linux as well as Windows platform. No need of Paper work. Display a padlock for each domain on a browser. Trusted by over 99% of the browsers 24×7 Support via Live Chat and Support Ticket. Click here to know more information and pricing of Multi Domain SSL Certificate.