Godaddy is one of the best domain registrar to purchase a domain. I have my domain registered at Godaddy.
My Primary Domain is www.digisecrets.com and Now i can add blog.digisecrets.com, blog2.digisecrets.com.. like that
Here is The Tutorial! (How i Linked my Test Subdomain to My Blogger Test Blog with Screen Shots for Your Easy Convenience )
1. login To www.Godaddy.com, Goto Domain manager
Now i am Going to Create a Subdomain test.digisecrets.com (change With you own Name)
2.First you have to add a CNAME for your Subdomain, For that Goto Total DNS click Total DNS Control
3.In That You have to Add 2 New entries Under CNAME for that goto Add New Record Under CNAME
You Will Be Asked For Alias Name and point to Host name
first Create WWW in Alias Name and Point it to GHS.GOOGLE.COM
Second Create WWW.Subname and Point it to GHS.GOOGLE.COM
TTL : 1 Hour
Now You Have Successfully Created CNAME For Your SubDomain.
4. Now You Have To Create a SubDomain And Forward in to Blogspot. For that Below Contact You Can See Subdomain under Contacts in Domain Manager
Click manage You Will Get a Pop Up
In That Create the Subdomain and Link it With your Blog Spot Click Ok.. Now Dome With GoDaddy
(Remember CNAME is Created For The Subdomain U Want to Create )
Now Log in to Your Blogger Account, Select the Blog you want to add a Custom Domain
Go to Publishing, and advance Settings in that Link your Subdomain Created in Godaddy..
Now Enjoy! Make Your Blog More Professional!! .