Bigrock.in is best site for domain and hosting services.if you buy a domain from Bigrock.inand you want to use domain on blogger platform then you should use the method to setup custom domain on blogger.Here are the neccessery steps discuss below :-
Step-1: First open up your blogger account and go to setting:-
Step-2 : Now in the basic menu under Setting click on Add Custom Domain
Step:3 Now Enter the Domain which you buy from bigrock.in ,Click Save button. (Here for example we are using our domain www.freeonlinegyan.com )
“18.104.22.168” After It, click on “Add Record” button.
ghs.google.com Then, Click on “Add Record” button.
It will take 2 hours more to updates DNS settings; See your blog with custom domain after 2 hours and Thats it Done !!!