Email Formats

{
  "mx": [
    "10 ertu-org.p10.mxthunder.com.",
    "20 ertu-org.p20.mxthunder.net.",
    "30 ertu-org.p30.mxthunder.net.",
    "40 ertu-org.p40.mxthunder.net."
  ],
  "spf": [
    "v=spf1 ip4:104.171.114.21 ~all"
  ]
}