Servidores DNS Principal (mname) y Secundario (rname)
host: esi-cs.com
class: IN
ttl: 7200
type: SOA
mname: NS41.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 121101118
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: esi-cs.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mx.eforw.com

Información TXT
host: esi-cs.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.eforw.com ~all
entries: Array