Servidores DNS Principal (mname) y Secundario (rname)
host: techcrl.com
class: IN
ttl: 7200
type: SOA
mname: NS81.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 122111423
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: techcrl.com
class: IN
ttl: 7200
type: MX
pri: 10
target: mxw.mxhichina.com

Servidor de Correo
host: techcrl.com
class: IN
ttl: 7200
type: MX
pri: 5
target: mxn.mxhichina.com

Información TXT
host: techcrl.com
class: IN
ttl: 900
type: TXT
txt: v=spf1 include:spf.mxhichina.com -all-
entries: Array