Domains with DNS TXT v=spf1 ip4:174.142.221.51 include:relay.spamshield.io ip4:184.107.112.56 +a +mx include:spf.protection.outlook.com -all

There is 1 domain that have DNS TXT set to v=spf1 ip4:174.142.221.51 include:relay.spamshield.io ip4:184.107.112.56 +a +mx include:spf.protection.outlook.com -all.

Top Domains with TXT set to v=spf1 ip4:174.142.221.51 include:relay.spamshield.io ip4:184.107.112.56 +a +mx include:spf.protection.outlook.com -all