Email Formats

{
  "mx": [
    "30 mckayunited-com-au.p30.mxthunder.net.",
    "20 mckayunited-com-au.p20.mxthunder.net.",
    "10 mckayunited-com-au.p10.mxthunder.com.",
    "40 mckayunited-com-au.p40.mxthunder.net."
  ],
  "spf": []
}