Domains with DNS TXT v=spf1 include:spf.protection.outlook.com v=spf1 mx a include:_spf.relay.mailprotect.be ip4:5.134.6.37 ~all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com v=spf1 mx a include:_spf.relay.mailprotect.be ip4:5.134.6.37 ~all.