Domains with DNS TXT v=spf1 include:_spf-us.ppe-hosted.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf-us.ppe-hosted.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all.