Email Formats

{
  "mx": [
    "30 alt3.gmail-smtp-in.l.google.com.",
    "40 alt4.gmail-smtp-in.l.google.com.",
    "20 alt2.gmail-smtp-in.l.google.com.",
    "10 alt1.gmail-smtp-in.l.google.com.",
    "5 gmail-smtp-in.l.google.com."
  ],
  "spf": [
    "v=spf1 redirect=_spf.google.com"
  ]
}