Email Formats

{
  "mx": [
    "0 mail.bigston.com.",
    "1 smtp.bigston.com."
  ],
  "spf": [
    "v=spf1 +mx +a +ip4:209.182.201.224 include:relay.mailchannels.net +ip4:144.208.71.141 ~all"
  ]
}