i have an website toritube.booostcast.com
on site prefences is says something about name servers:


Add your own domain name
In order that your site works with your new domain name, you must modify the NAME SERVER configuration of your domain name with the following information:
NS1.BOOSTCAST.COM
NS2.BOOSTCAST.COM
http://www. [________]
MX Server [________]


whats this? are zymic suppor MX Servers?