Email Formats

{
  "mx": [
    "20 d287157b.ess.barracudanetworks.com.",
    "10 d287157a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:198.0.56.160/28 ip4:64.16.50.128/29 include:4923018.spf05.hubspotemail.net -all"
  ]
}