Email Formats

{
  "mx": [
    "10 mail.walkertool.com.",
    "20 mail2.walkertool.com."
  ],
  "spf": [
    "v=spf1 a a:mail.walkertool.com a:zimbra2.walkertool.com mx:mail.walkertool.com ip4:24.104.116.141 ip4:207.91.239.141 -all"
  ]
}