MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ip4:87.120.248.53/32 ip4:87.120.248.48/28 ip4:185.190.207.176/28 ip4:149.40.96.82/32 ip4:217.38.236.82/32 ip4:147.160.167.0/26 ip4:52.49.201.246 ip4:52.49.235.189 ip4:23.21.109.197 ip4
:23.21.109.212 -all