Domains with DNS TXT v=spf1 a include:spf.protection.outlook.com include:spf.mandrillapp.com include:_spf.troublefree.nl a:sandstorm.iuro.nl ip4:46.21.160.2 ~all
There is 1 domain that have DNS TXT set to v=spf1 a include:spf.protection.outlook.com include:spf.mandrillapp.com include:_spf.troublefree.nl a:sandstorm.iuro.nl ip4:46.21.160.2 ~all.