Email Formats

{
  "mx": [
    "10 d1729a.ess.barracudanetworks.com.",
    "20 d1729b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a:mail.charlottemotorspeedway.com include:spf.speedwaymotorsports.com -all"
  ]
}