Domains with DNS TXT v=spf1 a ip4:96.126.98.21 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
There is 1 domain that have DNS TXT set to v=spf1 a ip4:96.126.98.21 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all.