Domains with DNS TXT v=spf1 +a +ip4:10.199.129.13 include:spf.protection.outlook.com include:mailgun.org include:secureserver.net ~all
There is 1 domain that have DNS TXT set to v=spf1 +a +ip4:10.199.129.13 include:spf.protection.outlook.com include:mailgun.org include:secureserver.net ~all.