Domains with DNS TXT v=spf1 include:sendgrid.net include:mailgun.org include:relay.mailchannels.net include:spf.protection.outlook.com ~all
There are 11 domains that have DNS TXT set to v=spf1 include:sendgrid.net include:mailgun.org include:relay.mailchannels.net include:spf.protection.outlook.com ~all. The top 11 records ordered by domain rank are listed below.