Having 100 % control of your domain names is something rather important and to be able to access and edit the DNS records for every single one of them is one of the things you have to look for when you search for a registration or a shared hosting provider. You may have heard of the so-called “name servers” that show where a domain name is hosted, but below them there's a whole group of records, such as the A record, which is the IP address of the server hosting the website, and the MX records, which show the server that handles the e-mails for a certain domain address. These records are employed if you'd like to have your site with one service provider and the emails with another, as an illustration. You could also use a domain for a non-website service or forward the traffic to it using special records. Many companies ask for an additional fee to grant access to edit particular DNS records besides the name servers.