Email Formats

{
  "mx": [
    "10 d26107a.ess.barracudanetworks.com.",
    "20 d26107b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a:amerimac.net ip4:173.15.4.0/24 ip4:74.202.142.0/24 ip4:69.252.207.32/28 ip4:68.87.109.128/25 ip4:69.252.76.0/28 ip4:69.252.193.128/25 ip4:76.96.68.96/27 ip4:96.114.154.160/28 ip4:162.150.58.0/24 include:_spfv6.comcast.net ?all"
  ]
}