Email Formats

{
  "mx": [
    "0 usnmedia.com."
  ],
  "spf": [
    "v=spf1 ip4:66.84.23.253 ip4:66.84.13.77 +a +mx +ip4:66.84.15.222 +include:relay.mailchannels.net include:servers.mcsv.net ~all"
  ]
}