This blog provide you steps on how to register on CloudFlare and add DNS record: ‘A’ record or ‘MX’ record with free of cost.
Step 1: Go to
https://www.cloudflare.com/
Step 2: Click on signup and complete the process.
Step 4: Add Site
Step 5: To use Cloudflare free services, scroll down and click on:
Now your site is added on ClouFlare.
Step 6: Add ‘A’ and ‘MX’ Record
Step 7: To finalize this changes make sure to update Name server on your domain registration to clouldflare provided name server.
also they give u quick start guide
