DMARC record for Microsoft 365
How to add a DMARC record when DNS or mail is at Microsoft 365. Real steps, then a live lookup.
MX will look like yourdomain-com.mail.protection.outlook.com.
- Add TXT at _dmarc.yourdomain.com: v=DMARC1; p=none; rua=mailto:dmarc@yourdomain.com
- Watch the aggregate reports for a week or two before tightening the policy.
Official docs: Microsoft 365. Other records for this provider: SPF · DKIM · DMARC
Check it live
Check the DMARC record
Look up the live DNS after you save. This tool does not spend credits.
v=DMARC1; p=none; rua=mailto:dmarc@yourdomain.com
Publish as TXT at _dmarc.yourdomain.com. Start at p=none until SPF and DKIM pass on real mail.
Related
- SPF record for Microsoft 365
How to add a SPF record when DNS or mail is at Microsoft 365. Real steps, then a live lookup.
- DKIM record for Microsoft 365
How to add a DKIM record when DNS or mail is at Microsoft 365. Real steps, then a live lookup.
- DMARC record for Microsoft 365
How to add a DMARC record when DNS or mail is at Microsoft 365. Real steps, then a live lookup.
- SPF, DKIM and DMARC checker
Look up the three DNS records that decide whether Gmail and Outlook trust mail from a domain.