Email Formats

{
  "mx": [
    "20 mx2.biz.rr.com.",
    "10 mx1.biz.rr.com."
  ],
  "spf": [
    "v=spf1 ip4:107.14.166.76 ip4:107.14.166.77 ip4:216.110.145.231 include:_spf.twcbc.com ~all"
  ]
}