Domains with DNS TXT v=spf1 ip4:37.187.158.206 +a +mx +ip4:91.121.216.221 +ip4:178.33.14.182 +include:spf.protection.outlook.com -all

There is 1 domain that have DNS TXT set to v=spf1 ip4:37.187.158.206 +a +mx +ip4:91.121.216.221 +ip4:178.33.14.182 +include:spf.protection.outlook.com -all.

Top Domains with TXT set to v=spf1 ip4:37.187.158.206 +a +mx +ip4:91.121.216.221 +ip4:178.33.14.182 +include:spf.protection.outlook.com -all