Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:_spf.email.stefna.is include:_spf.thekking.is include:spf.mandrillapp.com include:_spf.vist.is mx -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:_spf.email.stefna.is include:_spf.thekking.is include:spf.mandrillapp.com include:_spf.vist.is mx -all.