Email Formats

{
  "mx": [
    "10 d128665a.ess.barracudanetworks.com.",
    "20 d128665b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:148.59.137.160/29 ip4:205.254.16.152/29 ip4:198.160.238.13/32 ip4:209.222.82.247/32 include:spf.ess.barracudanetworks.com -all"
  ]
}