Registro IPv4
host: mp21.ru
class: IN
ttl: 3600
type: A
ip: 91.230.54.66

Servidores DNS Principal (mname) y Secundario (rname)
host: mp21.ru
class: IN
ttl: 3600
type: SOA
mname: mail2.hrf.su
rname: manager.rufox.com
serial: 2021070201
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: mp21.ru
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.mp21.ru

Servidor de Correo
host: mp21.ru
class: IN
ttl: 3600
type: MX
pri: 20
target: mail.mp21.ru

Información TXT
host: mp21.ru
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:192.168.0.14 ip4:193.33.132.210 ip4:193.33.133.205 a mx ~all
entries: Array