Registro IPv4
host: prague-study.ru
class: IN
ttl: 300
type: A
ip: 57.129.31.175

Servidores DNS Principal (mname) y Secundario (rname)
host: prague-study.ru
class: IN
ttl: 900
type: SOA
mname: ns-1609.awsdns-09.co.uk
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: prague-study.ru
class: IN
ttl: 300
type: MX
pri: 10
target: mx.yandex.net