Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: office-class.ru
class: IN
ttl: 6925
type: A
ip: 212.109.216.222

Servidores DNS Principal (mname) y Secundario (rname)
host: office-class.ru
class: IN
ttl: 21600
type: SOA
mname: ns1.r01.ru
rname: noc.parkline.ru
serial: 2024012400
refresh: 10800
retry: 1800
expire: 604800
minimum-ttl: 900

Servidor de Correo
host: office-class.ru
class: IN
ttl: 21600
type: MX
pri: 20
target: mail3.kansopt.ru

Servidor de Correo
host: office-class.ru
class: IN
ttl: 21600
type: MX
pri: 10
target: mail.kansopt.ru

Información TXT
host: office-class.ru
class: IN
ttl: 21600
type: TXT
txt: v=spf1 +mx include:_spf.emailtransfer.net ~all
entries: Array