Email Formats

{
  "mx": [
    "20 arusfsmtp02.arcor.com.",
    "10 arusfsmtp01.arcor.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:32.104.16.177 ip4:32.104.16.178 ip4:138.255.83.178 include:spf.protection.outlook.com ~all"
  ]
}