How to Publish DMARC Records on Namecheap
Log in to your Namecheap account and go to your Dashboard.
Click on the Domain List option in the Dashboard.
Find the desired domain in the list and click on the Manage button.
Click on the Advanced DNS option.
At the bottom of the list, click on Add New Record.
In the Type field, set the TXT option.
Under Host, enter “_dmarc”.
In the Value field, enter the record sent to you by email or generated using our DMARC record generator.
Click the green tick button to confirm and save your settings.
Check the published DMARC record.