Domains with DNS TXT v=spf1 include:spf.us.emailservice.io include:spf.protection.outlook.com include:spf.shield.security -all

There are 76 domains that have DNS TXT set to v=spf1 include:spf.us.emailservice.io include:spf.protection.outlook.com include:spf.shield.security -all. The top 50 records ordered by domain rank are listed below.