Email Formats

{
  "mx": [
    "30 lastmx.spamexperts.net.",
    "10 mx.spamexperts.com.",
    "20 fallbackmx.spamexperts.eu."
  ],
  "spf": [
    "v=spf1 +ip4:67.20.114.155 +include:mailgun.org ~all"
  ]
}