Unable to validate DMARC for the email

Unable to validate DMARC for the email

I have recently started to use the ZOHO CRM tool and I'm currently on free trial period. However, when I tried to test the email, it was landing in SPAM or JUNK folder of the recipient's inbox. I learnt about the DMARC, so i have completed SPF and DKIM for the domain we have, but unfortunately it still says that 'NO DMARC' and I don't see any options to enable it.

 

Could you pls help me with this issue?