Licensing and Using a Root Signing Certificate
Root signing certificates are the one which is used to sign other certificates that link with a trusted root certificate. In other words, it makes you your own Certificate Authority and you can issue certificates which are trusted by all the popular web browsers such as Google Chrome or Mozilla Firefox.
If you’re one of the organizations who’s using Microsoft Services, then you know that you have to generate your self-signed root certificate, which is one of the big tasks for many organizations. To overcome these types of situations, below are a link of root certificate provided by popular Certificate Authorities.