Email Formats

{
  "mx": [
    "0 standard-engg.com."
  ],
  "spf": [
    "v=spf1 ip4:213.136.81.211 ip4:64.37.50.170 ip4:107.190.137.146 +a +mx +ip4:198.136.51.242 ~all"
  ]
}