Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf.gansend.com include:spf.hostingconnection.eu include:mailgun.org -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf.gansend.com include:spf.hostingconnection.eu include:mailgun.org -all.