Domains with DNS TXT v=spf1 a mx a:spf.ess.barracudanetworks.com ip4:199.102.72.53 include:1-2-1smtp.com include:spf.protection.outlook.com ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx a:spf.ess.barracudanetworks.com ip4:199.102.72.53 include:1-2-1smtp.com include:spf.protection.outlook.com ~all.