Domains with DNS TXT v=spf1 include:spf.impelling.co.uk a include:sendgrid.net include:spf.protection.outlook.com ~all

There are 44 domains that have DNS TXT set to v=spf1 include:spf.impelling.co.uk a include:sendgrid.net include:spf.protection.outlook.com ~all. The top 44 records ordered by domain rank are listed below.