DMARC DNS Setup: How to Add DMARC at your DNS Provider
1. Visit DNS Hosting Provider & Select Create Record
Now that you have decided on your record. You will need to visit your DNS Hosting provider and login. From there you will need to find the prompt to create a new record or find the TXT section to edit. Interfaces vary from hosting provider to hosting provider.
Once you have loaded the new record creation wizard, you will notice three important fields:
The names of these fields may vary across all of the different hosting providers.
2. Select TXT DNS Record Type
3. Add Host Value
In this field more than likely you will input the value _DMARC and the hosting provider will append the domain or subdomain after that value.