Domains with DNS TXT v=spf1 include:spf.protection.outlook.com +include:_spf.quadrant.net ip4:216.174.139.172 -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com +include:_spf.quadrant.net ip4:216.174.139.172 -all.