Domains with DNS TXT v=spf1 ip4:174.142.221.56 include:relay.spamshield.io ip4:184.107.112.57 +a +mx +include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:174.142.221.56 include:relay.spamshield.io ip4:184.107.112.57 +a +mx +include:spf.protection.outlook.com -all.