Email Formats

{
  "mx": [
    "500 d15957a.ess.barracudanetworks.com.",
    "505 d15957b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx ip4:74.252.67.0/24 ip4:173.212.58.0/24 ip4:12.218.192.0/24 ip4:147.160.159.0/24 ip4:207.29.211.64/28 -all"
  ]
}