Email Formats

{
  "mx": [
    "30 aplegw15.jhuapl.edu.",
    "30 aplegw16.jhuapl.edu.",
    "40 aplegw11.jhuapl.edu."
  ],
  "spf": [
    "v=spf1 ip4:128.244.251.0/24 ip4:128.244.43.0/28 ip4:128.244.208.130 ip4:128.244.208.131 ip4:128.244.208.132 mx ~all"
  ]
}