Domains with DNS TXT v=spf1 +mx +a +ip4:216.37.42.252 +include:spf.protection.outlook.com +include:mailgun.org +include:relay.mailchannels.net ~all
There is 1 domain that have DNS TXT set to v=spf1 +mx +a +ip4:216.37.42.252 +include:spf.protection.outlook.com +include:mailgun.org +include:relay.mailchannels.net ~all.