Email Formats

{
  "mx": [
    "10 iseg-pe.p10.mxthunder.com.",
    "20 iseg-pe.p20.mxthunder.net.",
    "30 iseg-pe.p30.mxthunder.net.",
    "40 iseg-pe.p40.mxthunder.net."
  ],
  "spf": [
    "v=spf1 +a +mx +ip4:64.20.54.228 +include:mailgun.org ?all"
  ]
}