Domains with DNS TXT v=spf1 mx include:amazonses.com include:sendgrid.net include:_spf.salesforce.com ~all
There are 54 domains that have DNS TXT set to v=spf1 mx include:amazonses.com include:sendgrid.net include:_spf.salesforce.com ~all. The top 50 records ordered by domain rank are listed below.