Domains with DNS TXT v=spf1 +a +mx +ip4:192.99.45.57 +ip4:67.215.1.206 +ip4:54.39.250.222 +include:spf.protection.outlook.com -all

There are 16 domains that have DNS TXT set to v=spf1 +a +mx +ip4:192.99.45.57 +ip4:67.215.1.206 +ip4:54.39.250.222 +include:spf.protection.outlook.com -all. The top 16 records ordered by domain rank are listed below.