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