Registro IPv4
host: 51myit.com
class: IN
ttl: 3600
type: A
ip: 113.113.82.202

Servidores DNS Principal (mname) y Secundario (rname)
host: 51myit.com
class: IN
ttl: 3600
type: SOA
mname: main2.ns365.net
rname: root.main2.ns365.net
serial: 2018072040
refresh: 10800
retry: 2000
expire: 604800
minimum-ttl: 43200

Servidor de Correo
host: 51myit.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mxdomain.qq.com