Email Formats

{
  "mx": [
    "100 mx2c45.carrierzone.com.",
    "110 mx3c45.carrierzone.com.",
    "5 d240637a.ess.barracudanetworks.com.",
    "20 mx1c45.carrierzone.com.",
    "10 d240637b.ess.barracudanetworks.com.",
    "15 mail1.igc.com.pk.igcpk.com.",
    "120 mx4c45.carrierzone.com."
  ],
  "spf": [
    "v=spf1 ip4:202.154.239.103/32 ~all"
  ]
}