Email Formats
{
"mx": [
"3 spam.nicevan.co.kr."
],
"spf": [
"v=spf1 ip4:211.232.2.20 ip4:211.218.41.41 ip4:211.218.41.43 ip4:211.33.136.98 ip4:211.33.136.97 ip4:211.33.136.2 ip4:211.33.136.87 ip4:210.220.104.87 ip4:211.33.136.113 ip4:115.89.169.114 ip4:103.112.124.14 ip4:210.220.104.78 -all"
]
}