Email Formats

{
  "mx": [
    "15 mail-b.petrokazakhstan.com.",
    "20 mail-a.petrokazakhstan.com.",
    "10 mail-c.petrokazakhstan.com.",
    "21 mail-f.petrokazakhstan.com.",
    "16 mail-g.petrokazakhstan.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:212.19.159.202 ip4:212.19.159.204 ip4:212.19.159.205 ip4:212.154.231.73 ip4:212.154.231.74 a:mail-a.petrokazakhstan.com a:mail-b.petrokazakhstan.com a:mail-c.petrokazakhstan.com a:mail-g.petrokazakhstan.com a:mail-f.petrokazakhstan.com -al\" \"l"
  ]
}