Domains with DNS TXT v=spf1 include:_spf.google.com include:helpscoutemail.com include:mailgun.org ~all

There are 18 domains that have DNS TXT set to v=spf1 include:_spf.google.com include:helpscoutemail.com include:mailgun.org ~all. The top 18 records ordered by domain rank are listed below.