Registro IPv4
host: dat20.ru
class: IN
ttl: 3600
type: A
ip: 159.253.19.222

Servidores DNS Principal (mname) y Secundario (rname)
host: dat20.ru
class: IN
ttl: 3600
type: SOA
mname: dns.fastdns24.com
rname: support.fastvps.ru
serial: 2015121101
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: dat20.ru
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.dat20.ru