Published on: 2022/05/25
Step 01 : Login to cloudflare.com
Step 02: Select website
Step 03: Go to DNS settings
Step 04: Click on Add record

Step 05:

Type : CNAME Name : Subdomain name (Like admission in admission.easyexamnotes.com) Target : @ or Domain name Proxy status : Enabled TTL : Auto
Above settings are sufficient.
But, if you still get error like, subdomain not point to IP.
Than client certificates may be mission.
Than follow the steps mentioned on this page to generate client certificares.