Email Formats

{
  "mx": [
    "10 holbrooktravel.com.1.arsmtp.com.",
    "20 holbrooktravel.com.2.arsmtp.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:216.155.101.176/28 include:servers.mcsv.net include:2066430.spf02.hubspotemail.net include:holbrooktravel-com.spf.smtp25.com include:spf.sabre.com ~all"
  ]
}