Email Formats

{
  "mx": [
    "10 mailb.em-tech.co.kr."
  ],
  "spf": [
    "v=spf1 ip4:210.181.92.147 ip4:1.244.115.133 ip4:1.244.115.134 ip4:1.244.115.135 ip4:210.181.92.169 ip4:210.181.92.170 ip4:210.181.92.219 ip4:211.40.95.153 ~all"
  ]
}