Domains with DNS TXT v=spf1 include:spf.improvmx.com include:_spf.google.com include:mailgun.org ~all
There are 3 domains that have DNS TXT set to v=spf1 include:spf.improvmx.com include:_spf.google.com include:mailgun.org ~all. The top 3 records ordered by domain rank are listed below.