Domains with DNS TXT v=spf1 mx a include:spf.protection.outlook.com a:216.64.173.155
There is 1 domain that have DNS TXT set to v=spf1 mx a include:spf.protection.outlook.com a:216.64.173.155.
There is 1 domain that have DNS TXT set to v=spf1 mx a include:spf.protection.outlook.com a:216.64.173.155.