Domains with DNS TXT v=spf1 ip4:74.204.66.69 include:spf.zixsmbhosted.com include:spf.zixport.com include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:74.204.66.69 include:spf.zixsmbhosted.com include:spf.zixport.com include:spf.protection.outlook.com -all.