Email Formats

{
  "mx": [
    "40 mail3.instytut.com.pl.",
    "50 mail4.instytut.com.pl.",
    "200 skellige.instytut.com.pl."
  ],
  "spf": [
    "v=spf1 ip4:46.229.144.32/28 ip4:157.25.100.80/28 ~all"
  ]
}