Domains with DNS TXT v=spf1 include:spf.protection.outlook.com ip4:203.55.21.51 ip4:103.1.184.72 include:spf.mandrillapp.com -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com ip4:203.55.21.51 ip4:103.1.184.72 include:spf.mandrillapp.com -all.