Registro IPv4
host: landbiz.com
class: IN
ttl: 3745
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: landbiz.com
class: IN
ttl: 3745
type: SOA
mname: NS51.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 112070305
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: landbiz.com
class: IN
ttl: 145
type: MX
pri: 10
target: landbiz.com.1.0001.arsmtp.com

Servidor de Correo
host: landbiz.com
class: IN
ttl: 145
type: MX
pri: 20
target: landbiz.com.2.0001.arsmtp.com