Email Formats

{
  "mx": [
    "30 mail.rsic.org.",
    "10 d93752a.ess.barracudanetworks.com.",
    "20 d93752b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx ip4:67.118.57.230 -all"
  ]
}