Registro IPv4
host: edd.hk.cn
class: IN
ttl: 90
type: A
ip: 47.97.91.72

Servidores DNS Principal (mname) y Secundario (rname)
host: edd.hk.cn
class: IN
ttl: 7200
type: SOA
mname: edd.hk.cn
rname: root.edd.hk.cn
serial: 2019021400
refresh: 7200
retry: 1800
expire: 1209600
minimum-ttl: 7200

Servidor de Correo
host: edd.hk.cn
class: IN
ttl: 90
type: MX
pri: 5
target: mxbiz1.qq.com

Servidor de Correo
host: edd.hk.cn
class: IN
ttl: 90
type: MX
pri: 600
target: mxbiz2.qq.com