Adding a DMARC record involves accessing your domain's DNS settings via your provider's website, typically in the DNS management section. Within this, create a new TXT record with "@" as the host, and input the DMARC policy, such as "v=DMARC1; p=none; rua=mailto:your@email.com; ruf=mailto:your@email.com;" defining the DMARC version, policy, and where reports should be sent. Save the record, verify its accuracy using online checkers, and regularly monitor the reports sent to the specified email addresses for insights into email authentication performance.

How to Add a DMARC Record to DNS?

DMARC Report