Registro IPv4
host: defa.com.ru
class: IN
ttl: 1425
type: A
ip: 78.108.80.74

Servidores DNS Principal (mname) y Secundario (rname)
host: defa.com.ru
class: IN
ttl: 3600
type: SOA
mname: ns.majordomo.ru
rname: support.majordomo.ru
serial: 2004032900
refresh: 3600
retry: 900
expire: 3600000
minimum-ttl: 3600

Servidor de Correo
host: defa.com.ru
class: IN
ttl: 21600
type: MX
pri: 10
target: mx.yandex.ru