1. Login to your CPanel for your domain.
2. Once logged in, look for the Advanced DNS Editor Icon and then click on it.
3. Look for the record which has your domain name written like this "www.qservers.net", click on the edit link to open the record, then change the CNAME record to the record below:
after editing the file simply press Edit records And our half of work is all most done.
4. Now after setting up DNS for our domain we will go to Blogger.com and we will open the setting of that blog which we what to transfer to .Com,simply go to Settings >> Add a Custom Domain >> Switch To Advance Settings >> And then Simply enter your domain name and press Save button.