Domains with DNS TXT v=spf1 a mx ip4:77.72.145.226 ip4:77.72.144.115 include:spf.mandrillapp.com include:mailgun.org ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx ip4:77.72.145.226 ip4:77.72.144.115 include:spf.mandrillapp.com include:mailgun.org ~all.