Email Formats

{
  "mx": [
    "10 d233507a.ess.barracudanetworks.com.",
    "20 d233507b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:66.211.250.202 include:spf.constantcontact.com include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all"
  ]
}