Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:spf-eu.emailsignatures365.com include:spf1.emailsecurity.app -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:spf-eu.emailsignatures365.com include:spf1.emailsecurity.app -all.