Email Formats

{
  "mx": [
    "20 mail08.rbs.com.",
    "20 mail06.rbs.com.",
    "20 mail20.rbs.com.",
    "20 mail18.rbs.com.",
    "10 mail05.rbs.com.",
    "10 mail19.rbs.com.",
    "10 mail07.rbs.com.",
    "10 mail17.rbs.com."
  ],
  "spf": [
    "v=spf1 ip4:155.136.80.0/24 ip4:146.121.23.54 ip4:146.121.21.36 ip4:146.121.21.54 ip4:167.89.10.30 ip4:89.167.234.232 ip4:89.167.234.233 ip4:155.136.225.28 ip4:155.136.18.0/24 -all"
  ]
}