Servidores DNS Principal (mname) y Secundario (rname)
host: ntmk.ru
class: IN
ttl: 300
type: SOA
mname: ns.ntmk.ru
rname: hostmaster.ntmk.ru
serial: 2026081103
refresh: 3600
retry: 600
expire: 604800
minimum-ttl: 900

Servidor de Correo
host: ntmk.ru
class: IN
ttl: 300
type: MX
pri: 10
target: msk-smtp-relay-003.evraz.com

Servidor de Correo
host: ntmk.ru
class: IN
ttl: 300
type: MX
pri: 10
target: msk-smtp-relay-002.evraz.com

Información TXT
host: ntmk.ru
class: IN
ttl: 300
type: TXT
txt: v=spf1 mx ~all
entries: Array