Email Formats

{
  "mx": [
    "1 aspmx.l.google.com.",
    "10 aspmx2.googlemail.com.",
    "10 aspmx3.googlemail.com.",
    "10 mxa.mailgun.org.",
    "32767 ms18455550.msv1.invalid.",
    "5 alt1.aspmx.l.google.com.",
    "5 alt2.aspmx.l.google.com."
  ],
  "spf": [
    "v=spf1 include:_spf.google.com include:sendgrid.com include:servers.mcsv.net include:mailgun.org include:spf.submail.cn ~all"
  ]
}