Servidores DNS Principal (mname) y Secundario (rname)
host: shenhuachina.cn
class: IN
ttl: 90
type: SOA
mname: opdns.shenhua.cc
rname: please_set_email.absolutely.nowhere
serial: 27
refresh: 10800
retry: 3600
expire: 2419200
minimum-ttl: 900

Servidor de Correo
host: shenhuachina.cn
class: IN
ttl: 90
type: MX
pri: 10
target: mx.shenhuagroup.com.cn

Información TXT
host: shenhuachina.cn
class: IN
ttl: 90
type: TXT
txt: v=spf1 ipv4:219.143.70.112 ipv4:219.143.70.55 ipv4:122.70.114.94 -all
entries: Array