Domains with DNS TXT v=spf1 ip4:128.140.221.232 a:spf.flexfilter.nl include:mailgun.org include:spf.mandrillapp.com include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:128.140.221.232 a:spf.flexfilter.nl include:mailgun.org include:spf.mandrillapp.com include:spf.protection.outlook.com -all.