Domains with DNS TXT v=spf1 +mx +ip4:221.121.148.91 +ip4:213.199.154.87 +ip4:213.199.154.23 include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 +mx +ip4:221.121.148.91 +ip4:213.199.154.87 +ip4:213.199.154.23 include:spf.protection.outlook.com -all.