Registro DMARC
v=DMARC1; p=quarantine; sp=quarantine;

Registro IPv4
host: 21-shop.ru
class: IN
ttl: 90
type: A
ip: 185.178.208.168

Servidores DNS Principal (mname) y Secundario (rname)
host: 21-shop.ru
class: IN
ttl: 90
type: SOA
mname: ns3-l2.nic.ru
rname: dns.nic.ru
serial: 2354941475
refresh: 60
retry: 60
expire: 60
minimum-ttl: 60

Servidor de Correo
host: 21-shop.ru
class: IN
ttl: 90
type: MX
pri: 10
target: emx.mail.ru

Información TXT
host: 21-shop.ru
class: IN
ttl: 90
type: TXT
txt: v=spf1 a mx ip4:89.248.231.0/24 include:_spf.mail.ru include:_spf.yandex.net include:_spf.google.com include:mailgun.org ~all
entries: Array