Email Formats

{
  "mx": [
    "0 aspmx.l.google.com.",
    "5 alt2.aspmx.l.google.com.",
    "10 alt4.aspmx.l.google.com."
  ],
  "spf": [
    "v=spf1 +a +mx +ip4:74.220.219.78 ?all",
    "v=spf1 include:_spf.google.com ~all",
    "v=spf1 include:_spf.emailcampaigns.net ~all"
  ]
}