how to create this kinds of 'A' NAME records for your naked domain (blog.com)
Note: The following information applies to naked domains only!! If you're setting up a subdomain then this does NOT apply to you! :-)
Creating A records for your naked domain is important as it allows Google to redirect people who use in your naked domain name (blog.com) to your blog page (www.example.com). If you do not do this, visitors who leave off the www will see an error page.
There are four separate A records you will create, and can be done from the same control panel you accessed your CNAME records. Simply point your naked domain (example.com, without the 'www') to each of the following IP addresses:
If you are trying to set up your Blogger account with your domain registered with Dynadot, you'd just need to select one of those IP addresses and enter it into the appropriate box in the Advanced DNS box. You won't be able to enter all 4 addresses.