Servidores DNS Principal (mname) y Secundario (rname)
host: doctor-al.ru
class: IN
ttl: 3600
type: SOA
mname: ns1.strana.ru
rname: noc.strana.ru
serial: 2025013000
refresh: 4320
retry: 720
expire: 36000
minimum-ttl: 3600

Servidor de Correo
host: doctor-al.ru
class: IN
ttl: 90
type: MX
pri: 10
target: mail.pro-it.ru

Información TXT
host: doctor-al.ru
class: IN
ttl: 180
type: TXT
txt: v=spf1 +mx ~all
entries: Array