Domains with DNS TXT v=spf1 a mx include:_spf.google.com include:mailgun.org include:spf.mandrillapp.com ~all

There are 14 domains that have DNS TXT set to v=spf1 a mx include:_spf.google.com include:mailgun.org include:spf.mandrillapp.com ~all. The top 14 records ordered by domain rank are listed below.