Domains with DNS TXT v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ip4:8.21.67.126 ip4:8.21.67.3 ip4:8.21.67.35 -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ip4:8.21.67.126 ip4:8.21.67.3 ip4:8.21.67.35 -all.

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