Domains with DNS TXT v=spf1 +mx +a +ip4:77.55.252.6 +ip4:77.55.252.57 +ip4:77.55.252.77 +include:spf.protection.outlook.com -all

There is 1 domain that have DNS TXT set to v=spf1 +mx +a +ip4:77.55.252.6 +ip4:77.55.252.57 +ip4:77.55.252.77 +include:spf.protection.outlook.com -all.

Top Domains with TXT set to v=spf1 +mx +a +ip4:77.55.252.6 +ip4:77.55.252.57 +ip4:77.55.252.77 +include:spf.protection.outlook.com -all