Domains with DNS TXT v=spf1 include:spf.protection.outlook.com a mx ip4:50.28.80.158 -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com a mx ip4:50.28.80.158 -all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com a mx ip4:50.28.80.158 -all