The below record is updated as you modify the fields on the left.
Once you have finished creating your record in this editor, visit your DNS hosting provider and create a new record with the values presented below.
It looks like your DNS hosting provider is
Azure
Type: TXT
Host/Name: _DMARC.microsoft.com
Value:
v=DMARC1; p=reject; pct=100; rua=mailto:itex-rua@microsoft.com; ruf=mailto:itex-ruf@microsoft.com; fo=1
* Note: For many DNS hosting providers, you'll just type "_DMARC" as the host/name and the tool add/append your domain name automatically.