Email Formats

{
  "mx": [
    "10 mail.xjtu.edu.cn."
  ],
  "spf": [
    "v=spf1 ip4:162.105.129.0/24 ip4:202.117.1.0/24 ip4:117.32.155.53 ip6:2001:250:1001:1::1/64 include:spf.icoremail.net ~all"
  ]
}