Registro IPv4
host: it5566.com
class: IN
ttl: 1800
type: A
ip: 173.239.8.164

Registro IPv4
host: it5566.com
class: IN
ttl: 1800
type: A
ip: 173.239.5.6

Registro IPv4
host: it5566.com
class: IN
ttl: 1800
type: A
ip: 74.206.228.78

Servidores DNS Principal (mname) y Secundario (rname)
host: it5566.com
class: IN
ttl: 1800
type: SOA
mname: it5566.com
rname: dns.it5566.com
serial: 1
refresh: 10800
retry: 3600
expire: 86400
minimum-ttl: 3600

Servidor de Correo
host: it5566.com
class: IN
ttl: 1800
type: MX
pri: 1
target: mx7.it5566.com