Domains with DNS TXT v=spf1 +a +mx +ip4:216.128.147.76 include:spf.protection.outlook.com include:secureserver.net -all
There is 1 domain that have DNS TXT set to v=spf1 +a +mx +ip4:216.128.147.76 include:spf.protection.outlook.com include:secureserver.net -all.