Servidores DNS Principal (mname) y Secundario (rname)
host: secureside.ru
class: IN
ttl: 600
type: SOA
mname: ns1.reg.ru
rname: hostmaster.ns1.reg.ru
serial: 1768129153
refresh: 14400
retry: 3600
expire: 604800
minimum-ttl: 10800

Servidor de Correo
host: secureside.ru
class: IN
ttl: 600
type: MX
pri: 10
target: mx.yandex.net

Información TXT
host: secureside.ru
class: IN
ttl: 600
type: TXT
txt: v=spf1 redirect=_spf.yandex.net
entries: Array