Registro DMARC
v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

Registro IPv4
host: hostkey.ru
class: IN
ttl: 300
type: A
ip: 91.215.42.224

Servidores DNS Principal (mname) y Secundario (rname)
host: hostkey.ru
class: IN
ttl: 1800
type: SOA
mname: anton.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2384623389
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: hostkey.ru
class: IN
ttl: 300
type: MX
pri: 10
target: mx.yandex.net

Información TXT
host: hostkey.ru
class: IN
ttl: 300
type: TXT
txt: v=spf1 redirect=_spf.yandex.net
entries: Array

Información TXT
host: hostkey.ru
class: IN
ttl: 300
type: TXT
txt: unisender-go-validate-hash=39f13c61cbe357f2d290f0430cbc5c0d
entries: Array