Servidores DNS Principal (mname) y Secundario (rname)
host: zbda.com
class: IN
ttl: 600
type: SOA
mname: dns.bizcn.com
rname: abuse.bizcn.com
serial: 6
refresh: 28800
retry: 14400
expire: 14400
minimum-ttl: 600

Servidor de Correo
host: zbda.com
class: IN
ttl: 120
type: MX
pri: 10
target: mx.mail.ym.163.com

Información TXT
host: zbda.com
class: IN
ttl: 120
type: TXT
txt: v=spf1 include:spf.163.com ~all
entries: Array