How to host multiple subdomain sharepoint website under Godaddy

Scenario : I do have multiple wild card sharepoint sites need to be hosted under single domain ,

in my case i have domain name "SoftPOC.com"

1) SoftPOC.com is a static company site and hosted under different domain hosting provider freehostia.com.
x

2) I need to host a sharePoint site my.softpoc.com , sg.softpoc.com , I have added a "A" record and pointed this to my Loadbalncer IP or my Static IP of the sharepoint WFE azure server.

3) I need to host my mails to zoho.com , Keept the MX entry accordingly.