Domains with DNS TXT v=spf1 include:mailgun.org a:dispatch-us.ppe-hosted.com include:secureserver.net -all

There are 26 domains that have DNS TXT set to v=spf1 include:mailgun.org a:dispatch-us.ppe-hosted.com include:secureserver.net -all. The top 26 records ordered by domain rank are listed below.