Domains with DNS TXT v=spf1 +a +mx +ip4:156.38.175.66 +include:spf.protection.outlook.com -all
There are 9 domains that have DNS TXT set to v=spf1 +a +mx +ip4:156.38.175.66 +include:spf.protection.outlook.com -all. The top 9 records ordered by domain rank are listed below.