Email Formats

{
  "mx": [
    "0 smtp.natsons.net.",
    "10 backupmx.natsons.net.",
    "25 relay1.fast.net.uk."
  ],
  "spf": [
    "v=spf1 ip4:212.42.180.237 ip4:212.42.180.228 +a +mx ~all"
  ]
}