Domains with DNS TXT v=spf1 a mx include:spf.protection.outlook.com include:_spf.google.com include:spf.webapps.net include:mailgun.org ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.protection.outlook.com include:_spf.google.com include:spf.webapps.net include:mailgun.org ~all.