Step 1. Create a account in godaddy.com and purchase a domain name/new website
Step 2. Open your blog and click setting then choose + Set up a third-party URL for your blog
Step 3. Put your purchase domain name in the blank space and click save
Step 4. Now u see your two CNAME and its add in your DNS zone file setting in godaddy
Step 5. Copy one by one ur all IP code and add in ur DNS zone file setting in godaddy
Step 6. After Add your all CNAME & IP code the choose setting option and click Forwarding domain manage and click add forwarding
Step 7.Type your purchase domain name/new website then click add and save
Step 8. Now back to your blog and click save button
Step 9.Click edit button then click thik mark of the box to redirect your domain name and save the setting.
Now your blogspot to .com or any other domain name redirection complete now search your new website url. if you face any prob then watch my video......😊