In your CRM account, go to your Email Domains page.
- Go to Admin settings.
 - Click on “Email domains”.

 - Click on your email sending domain. 

 - Go to the Verify tab.

 - Copy the record against which the status is “Pending”.

 Go to your DNS portal and paste this record accordingly.
-  In the CRM, domain settings page,
Click on the Verify domain button.
 Voila! you are set. Your Domain’s verification status will be verified.