Email Formats

{
  "mx": [
    "10 kerberos.countdownmedia.com.",
    "20 mail.countdownmedia.com."
  ],
  "spf": [
    "v=spf1 a mx ip4:188.121.53.0/24 ip4:92.204.81.0/24 include:secureserver.net -all"
  ]
}