Domains with DNS TXT v=spf1 include:transmail.net include:sendgrid.net include:spf.protection.outlook.com a:cdserver1.com include:spf.smtp-engine.com ~all

There is 1 domain that have DNS TXT set to v=spf1 include:transmail.net include:sendgrid.net include:spf.protection.outlook.com a:cdserver1.com include:spf.smtp-engine.com ~all.

We're currently tracking 404,135,134 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.