Email Formats

{
  "mx": [
    "10 mail.holtz.com.",
    "20 mxbackup1.junkemailfilter.com.",
    "30 mxbackup2.junkemailfilter.com."
  ],
  "spf": [
    "v=spf1 ip4:199.102.77.210/32 ip4:192.240.189.50 ip6:2607:fc50:1001:7800:216:3eff:fe05:6ad/128 mx include:_spf.google.com ~all"
  ]
}