Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net -all
There are 587 domains that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net -all. The top 50 records ordered by domain rank are listed below.