Servidores DNS Principal (mname) y Secundario (rname)
host: wtoguide.net
class: IN
ttl: 7200
type: SOA
mname: ns1.cnolnic.com
rname: root.cnolnic.net
serial: 2006112401
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: wtoguide.net
class: IN
ttl: 7200
type: MX
pri: 10
target: mx.ym.163.com

Información TXT
host: wtoguide.net
class: IN
ttl: 7200
type: TXT
txt: v=spf1 include:spf.163.com ~all
entries: Array