Email Formats

{
  "mx": [
    "10 d174275a.ess.barracudanetworks.com.",
    "20 d174275b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 +a +mx ip4:162.212.157.49 ip4:67.225.162.55 ~all"
  ]
}