Registro DMARC
v=DMARC1;  p=quarantine; aspf=r; sp=none; rua=mailto:085dbc9bb3d740dc8c17f27110bc7779@dmarc-reports.cloudflare.net;

Registro IPv4
host: bestexchangers.ru
class: IN
ttl: 300
type: A
ip: 104.21.4.32

Registro IPv4
host: bestexchangers.ru
class: IN
ttl: 300
type: A
ip: 172.67.131.153

Servidores DNS Principal (mname) y Secundario (rname)
host: bestexchangers.ru
class: IN
ttl: 1800
type: SOA
mname: daisy.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2417402320
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: bestexchangers.ru
class: IN
ttl: 300
type: MX
pri: 8
target: route2.mx.cloudflare.net

Servidor de Correo
host: bestexchangers.ru
class: IN
ttl: 300
type: MX
pri: 12
target: route1.mx.cloudflare.net

Servidor de Correo
host: bestexchangers.ru
class: IN
ttl: 300
type: MX
pri: 53
target: route3.mx.cloudflare.net

Información TXT
host: bestexchangers.ru
class: IN
ttl: 300
type: TXT
txt: yandex-verification: 4180d7be60cc9067
entries: Array

Información TXT
host: bestexchangers.ru
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:_spf.mx.cloudflare.net ~all
entries: Array