Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:_spf.relay.mailprotect.be include:smtproutes.com include:my.billit.be include:smtpout.com -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:_spf.relay.mailprotect.be include:smtproutes.com include:my.billit.be include:smtpout.com -all.