Email Formats

{
  "mx": [
    "20 etrn.biz.net.id.",
    "10 mail.ricobana.co.id."
  ],
  "spf": [
    "v=spf1 a mx include:smtp.biz.net.id include:smtp1.biz.net.id include:smtp2.biz.net.id include:smtp3.biz.net.id include:smtp4.biz.net.id include:smtp5.biz.net.id include:smtp6.biz.net.id include:smtp7.biz.net.id include:smtp8.biz.net.id -all"
  ]
}