Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf1.x-mailer.de include:spf2.x-mailer.de -all

There are 25 domains that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf1.x-mailer.de include:spf2.x-mailer.de -all. The top 25 records ordered by domain rank are listed below.