Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf.messagelabs.com include:spf.zixsmbhosted.com include:costnergroup-com.spf.smtp25.com include:spf.ess.barracudanetworks.com include:spf.happyfox.com include:spfa.cpmails.com ip4:149.72.166.184 -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf.messagelabs.com include:spf.zixsmbhosted.com include:costnergroup-com.spf.smtp25.com include:spf.ess.barracudanetworks.com include:spf.happyfox.com include:spfa.cpmails.com ip4:149.72.166.184 -all.

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