Email Formats

{
  "mx": [
    "30 d61186b.ess.barracudanetworks.com.",
    "20 d61186a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:208.76.194.230 include:spf.ess.barracudanetworks.com -all"
  ]
}