Domains with DNS TXT v=spf1 include:mailgun.org include:spf.protection.outlook.com include:u20487869.wl120.sendgrid.net ~all

There are 37 domains that have DNS TXT set to v=spf1 include:mailgun.org include:spf.protection.outlook.com include:u20487869.wl120.sendgrid.net ~all. The top 37 records ordered by domain rank are listed below.