Domains with DNS TXT v=spf1 include:sendgrid.net include:_spf.google.com include:spf.protection.outlook.com ~all

There are 28 domains that have DNS TXT set to v=spf1 include:sendgrid.net include:_spf.google.com include:spf.protection.outlook.com ~all. The top 28 records ordered by domain rank are listed below.