Email Formats

{
  "mx": [
    "10 d131321b.ess.barracudanetworks.com.",
    "1 d131321a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:168.215.101.214/32 ip4:64.132.221.30/32 -all"
  ]
}