Email Formats
{
"mx": [
"1 mail.cnooc.com.cn.",
"10 mailout.cnooc.com.cn."
],
"spf": [
"v=spf1 ip4:203.93.14.11 ip4:202.108.65.13 ip4:202.108.65.7 ip4:219.142.76.7 ip4:203.93.14.13 ip4:202.108.65.165 ip4:219.142.76.165 ip4:39.155.204.53 ip4:36.112.54.13 ip4:223.71.61.250 ip4:223.71.110.7 -all"
]
}