Email Formats

{
  "mx": [
    "1 d291274b.ess.barracudanetworks.com.",
    "0 d291274a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:192.34.58.37 include:spf.ess.barracudanetworks.com -all"
  ]
}