Domains with DNS TXT v=spf1 a include:_spf.google.com include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.blacknight.ie ~all
There is 1 domain that have DNS TXT set to v=spf1 a include:_spf.google.com include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.blacknight.ie ~all.