Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf.ess.uk.barracudanetworks.com include:spf.uk.exclaimer.net -all

There are 33 domains that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf.ess.uk.barracudanetworks.com include:spf.uk.exclaimer.net -all. The top 33 records ordered by domain rank are listed below.