Email Formats

{
  "mx": [
    "0 mail.signbiz.com."
  ],
  "spf": [
    "v=spf1 ip4:66.198.240.49 include:spf.a2hosting.com include:sender.zohobooks.com include:mtas.firedrumemailmarketing.com include:groups.io ~all"
  ]
}