just some steps help you to add the domain on your blogger.
Open blogger and click on setting
Step 2: After Click on setting Click on add a Custom Domain link.
open your domain panel and click on domain setting set ip
Add two CNAME records. For the first CNAME, where it says Name, Label or Host enter “domain name” and where it says Destination, Targetor Points To enter “ghs.google.com” . For the second CNAME, enter “2PYFB4SEOPQP” as the Name and
“gv-NT2MIFOLFWFDAS7SZR3FWDHUH2G6OZS7RGDCXHZ2I5WZQIVHO47Q.domainverify.googlehosted.com.” as the Destination. See our detailed instructions on providing CNAMEs for various registrars. If yours isn’t listed, or if you run into other difficulties, contact your registrar directly and they can help you out.
The following action links your naked domain (example.com) to your actual site (www.example.com). If you skip this step, visitors who leave off the “www” will see an error page.