Domains with DNS TXT v=spf1 +mx +a include:spf.protection.outlook.com +ip4:51.142.13.44 -all

There is 1 domain that have DNS TXT set to v=spf1 +mx +a include:spf.protection.outlook.com +ip4:51.142.13.44 -all.

Top Domains with TXT set to v=spf1 +mx +a include:spf.protection.outlook.com +ip4:51.142.13.44 -all