Email Formats

{
  "mx": [
    "40 mail2.tradeweb.com.",
    "40 eumail2.tradeweb.com.",
    "40 mail4.tradeweb.com.",
    "40 mail5.tradeweb.com.",
    "20 eumail.tradeweb.com.",
    "10 mail.tradeweb.com."
  ],
  "spf": [
    "v=spf1 mx -all"
  ]
}