TXT
TXT Records
ns1.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
v=spf1 ip4:91.234.194.113 ip4:91.234.194.116 include:premiumsmtp.dnshostservices.com +a +mx +include:spf.protection.outlook.com -all