Email Formats

{
  "mx": [
    "10 d27452a.ess.barracudanetworks.com.",
    "20 d27452b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:173.167.159.242/32 ip4:204.156.188.250/32 -all"
  ]
}