Domains with DNS TXT v=spf1 ip4:173.231.203.138 +a +mx +include:spf.protection.outlook.com +ip4:35.208.4.224 -all

There is 1 domain that have DNS TXT set to v=spf1 ip4:173.231.203.138 +a +mx +include:spf.protection.outlook.com +ip4:35.208.4.224 -all.

Top Domains with TXT set to v=spf1 ip4:173.231.203.138 +a +mx +include:spf.protection.outlook.com +ip4:35.208.4.224 -all