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