Registro IPv4
host: bdu.su
class: IN
ttl: 5350
type: A
ip: 62.173.139.33

Servidores DNS Principal (mname) y Secundario (rname)
host: bdu.su
class: IN
ttl: 900
type: SOA
mname: dns1.yandex.net
rname: dns-hosting.yandex.ru
serial: 65
refresh: 900
retry: 90
expire: 86400
minimum-ttl: 900

Servidor de Correo
host: bdu.su
class: IN
ttl: 5350
type: MX
pri: 10
target: mx.yandex.net

Información TXT
host: bdu.su
class: IN
ttl: 5350
type: TXT
txt: v=spf1 redirect=_spf.yandex.net
entries: Array