Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com

There are 44 domains that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com. The top 44 records ordered by domain rank are listed below.