Domains with DNS TXT v=spf1 +a +mx +ip4:137.74.157.177 +include:spf.protection.outlook.com ~all

There is 1 domain that have DNS TXT set to v=spf1 +a +mx +ip4:137.74.157.177 +include:spf.protection.outlook.com ~all.

Top Domains with TXT set to v=spf1 +a +mx +ip4:137.74.157.177 +include:spf.protection.outlook.com ~all