Email Formats

{
  "mx": [
    "20 d293872b.ess.barracudanetworks.com.",
    "10 d293872a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 include:spf.ess.barracudanetworks.com include:spf.constantcontact.com include:spf.protection.outlook.com ip4:34.172.123.113 ip4:141.193.213.20 ip4:141.193.213.21 ip4:12.133.120.158 -all"
  ]
}