⟢ Step 1 ⟢
Go to Blogger.com & Open Your Blogger Setting → Go to Basic → then scroll down to Publishing Blog Address & type your blog url or domain address with www.yourdomain.com by clicking in Setup 3rd Party Url For Blog. See below image for reference
⟢ Step 2 ⟢
Now , after inserting your domain name, you will see a message in screen with red color. See image in below for reference.
⟢ Step 3 ⟢
Open your bigrock account and for other user’s , it’s simple too just set the settings or read this blog post or watch video in below if you want to do step by step process.
Click on your domain or you can go through Manage orders and click on list/search order. Scroll down and click on Dns Management in last of the bigrock dashboard.A popup will open like below reference image.
⟢ Step 4 ⟢
There are two pointed rectangular boxes in red color, see the above image for reference and start with A record first. Click on A record and fill the A record from step by step in 4 steps.
Add four A-records which point to Google IPs in destination IPv4 Address
Leave the Host Name Empty.See the below reference image for more clarification
Now add respective CNAME Records from blogger and add TTL = 144000 in every 2 times. See below reference image for more info
Watch This Video For More Info