purchase a domain from Godaddy.com,
they assign an IP address for the domain.
But, you need to change those records to
point to your Blogger blog. Below is how I
change the A and CNAME records of my
Godaddy account.
Step 1: Go to the Settings Tab of your blog
in the Blogger UI and click on the "Add a
custom domain" link.
Step 2: Enter the URL you would like to use
for your blog and press Save. I'm using one
of my blog as an example
"www.Oscargist.com" but the URL doesn't
need to start with www such as
"trendymediablog.com" where you are
reading this article.
Step 3: You will get an error (It's normal).
It's expected as you have not configured
GoDaddy with the DNS settings required.
Click on the "DNS settings file" link and
save the file. Don't close this window yet,
you'll need it later.
Step 4: Open a new window, go to your
GoDaddy account, go to the Domain Control
Panel and click on your preferred domain
name.
Step 5: Click on the "DNS Zone File" tab.
Read full details here: http://trendymediablog.com/2014/10/how-to-setup-custom-domain-on-blogger-with-godaddy/

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