How to set the DMARC Record for <tenant>.onmicrosoft.com Address

Andres Bohren

2022-09-15

Hi All,

Did you know, that you can set DMARC Records for your onmicrosoft.com Address in M365?

How to enable DMARC Reporting for Microsoft Online Email Routing Address (MOERA) and parked Domains

https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/step-by-step-guides/how-to-enable-dmarc-reporting-for-microsoft-online-email-routing-address-moera-and-parked-domains?view=o365-worldwide

In the M365 Admin Center go to Domains https://admin.microsoft.com/Adminportal/Home#/Domains

Select the onmicrosoft.com Domain

Select "DNS Records" and "Add record"

Now you can add your DMARC Configuration

Now you can Check with nslookup

nslookup -type=txt _dmarc.<m365tenant>.onmicrosoft.com

Regards

Andres Bohren

Works as a Microsoft Cloud Engineer/Architect for midsize to large Enterprises. He has a special focus on M365 including Identity, Messaging, Communication, Security and PowerShell but also Azure Technologies. He is Co-Organisator of the <Microsoft 365 Community Schweiz> Meetup group and was Speaker at several other Meetups.