Email Formats

{
  "mx": [
    "40 iowautility.org.mail4.psmtp.com.",
    "30 iowautility.org.mail3.psmtp.com.",
    "20 iowautility.org.mail2.psmtp.com.",
    "10 iowautility.org.mail1.psmtp.com.",
    "11 d37971b.ess.barracudanetworks.com.",
    "10 d37971a.ess.barracudanetworks.com.",
    "0 iowautility-org.mail.protection.outlook.com."
  ],
  "spf": [
    "v=spf1 include:spf.protection.outlook.com -all"
  ]
}