Domains with DNS TXT v=spf1 a mx include:spf.protection.outlook.com include:sendgrid.net include:spf.mandrillapp.com ~all
There are 6 domains that have DNS TXT set to v=spf1 a mx include:spf.protection.outlook.com include:sendgrid.net include:spf.mandrillapp.com ~all. The top 6 records ordered by domain rank are listed below.