Email Formats

{
  "mx": [
    "20 filter.sejongtelecom.net.",
    "30 filter2.sejongtelecom.net."
  ],
  "spf": [
    "v=spf1 ip4:203.251.217.0/24 ip4:172.26.1.1/24 ip4:203.240.129.1/24 ip4:203.240.131.65/27 ip4:202.30.211.1/25 ip4:202.30.238.48/29 ip4:58.180.61.129/27 ip4:172.25.10.0/29 ip4:172.25.20.24/29 ip4:203.240.244.126 include:mail.stibee.com -all"
  ]
}