Domains with DNS TXT v=spf1 ip4:221.121.150.42 +a +mx +ip4:54.253.244.181 include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:221.121.150.42 +a +mx +ip4:54.253.244.181 include:spf.protection.outlook.com -all.