Registro IPv4
host: seiu1mbt.org
class: IN
ttl: 7200
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: seiu1mbt.org
class: IN
ttl: 7200
type: SOA
mname: NS21.WORLDNIC.COM
rname: namehost.WORLDNIC.COM
serial: 116100315
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: seiu1mbt.org
class: IN
ttl: 7200
type: MX
pri: 10
target: seiu1mbt.org.1.0001.arsmtp.com

Servidor de Correo
host: seiu1mbt.org
class: IN
ttl: 7200
type: MX
pri: 20
target: seiu1mbt.org.2.0001.arsmtp.com