Domains with DNS TXT v=spf1 mx include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ip4:201.229.99.190 ip4:201.229.96.153 ip4:186.189.0.241 -all
There is 1 domain that have DNS TXT set to v=spf1 mx include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ip4:201.229.99.190 ip4:201.229.96.153 ip4:186.189.0.241 -all.