Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:amazonses.com include:spf.ess.uk.barracudanetworks.com ~all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:amazonses.com include:spf.ess.uk.barracudanetworks.com ~all.