Domains with DNS TXT v=spf1 ip4:174.142.221.45 include:relay.spamshield.io +a +mx +ip4:174.142.221.53 +include:spf.protection.outlook.com ~all

There is 1 domain that have DNS TXT set to v=spf1 ip4:174.142.221.45 include:relay.spamshield.io +a +mx +ip4:174.142.221.53 +include:spf.protection.outlook.com ~all.

Top Domains with TXT set to v=spf1 ip4:174.142.221.45 include:relay.spamshield.io +a +mx +ip4:174.142.221.53 +include:spf.protection.outlook.com ~all