Email Formats
{
"mx": [
"20 sguard1.kisti.re.kr.",
"20 sguard2.kisti.re.kr.",
"10 sguard.kisti.re.kr.",
"30 zmx111.mailplug.com."
],
"spf": [
"v=spf1 mx ip4:150.183.94.61 ip4:203.253.100.30 ip4:203.253.97.1/24 ip4:203.253.98.1/24 ip4:203.253.99.1/24 ip4:14.49.36.141 ip4:211.253.139.8 ip4:211.253.139.17 ip4:150.183.94.21 ip4:150.183.94.22 ip4:150.183.94.23 include:mailplug.com ~all"
]
}