Registro IPv4
host: mst21.ru
class: IN
ttl: 3600
type: A
ip: 89.253.221.206

Servidores DNS Principal (mname) y Secundario (rname)
host: mst21.ru
class: IN
ttl: 3600
type: SOA
mname: ns1.rsnx.ru
rname: abuse.infobox.ru
serial: 115674
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: mst21.ru
class: IN
ttl: 21600
type: MX
pri: 10
target: mx.yandex.net