Updates at the Registrar vs Updates on the Local DNS Server
There’s no difference whether you make a change at your registrar or update your local DNS server. However, if you’re going to use nameservers to point your site to where it is hosted (Dedicated, Cloud Server, or Shared Hosting), you’ll want to make all future DNS changes on your server through your control panel.
What is a registrar?
Simply put, a registrar allows for the personal or corporate registration and ownership of a top level domain (TLD).