Domains with DNS TXT v=spf1 a mx include:spf.protection.outlook.com a:relay-r12.mailprotect.be include:_spf.relay.mailprotect.be ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.protection.outlook.com a:relay-r12.mailprotect.be include:_spf.relay.mailprotect.be ~all.