Email Formats

{
  "mx": [
    "10 mail.cubatravelservices.com.",
    "10 mail2.cubatravelservices.com."
  ],
  "spf": [
    "v=spf1 mx ip4:66.215.15.21 ip4:66.215.15.18 include:9305916.spf07.hubspotemail.net ~all"
  ]
}