Email Formats

{
  "mx": [
    "10 smtp.google.com.",
    "20 smtp.google.com."
  ],
  "spf": [
    "v=spf1 ip4:194.224.70.72 ip4:194.224.70.81 ip4:188.244.91.7 include:_spf.google.com -all"
  ]
}