Servidores DNS Principal (mname) y Secundario (rname)
host: Alfilcorp.org
class: IN
ttl: 59547
type: SOA
mname: ns1.dominioabsoluto.com
rname: hostmaster.ns1.dominioabsoluto.com
serial: 1768369754
refresh: 14400
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: Alfilcorp.org
class: IN
ttl: 59547
type: MX
pri: 10
target: mx.Alfilcorp.org

Información TXT
host: Alfilcorp.org
class: IN
ttl: 59547
type: TXT
txt: v=spf1 redirect=spf.dominioabsoluto.net
entries: Array