Registro IPv4
host: tu1.ru
class: IN
ttl: 3800
type: A
ip: 185.26.122.50

Servidores DNS Principal (mname) y Secundario (rname)
host: tu1.ru
class: IN
ttl: 3600
type: SOA
mname: ns.hostland.ru
rname: support.hostland.ru
serial: 100000000
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: tu1.ru
class: IN
ttl: 3800
type: MX
pri: 10
target: mail.tu1.ru