Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: helpforenglish.cz
class: IN
ttl: 300
type: A
ip: 109.123.222.180

Servidores DNS Principal (mname) y Secundario (rname)
host: helpforenglish.cz
class: IN
ttl: 1800
type: SOA
mname: beau.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2419222899
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: helpforenglish.cz
class: IN
ttl: 300
type: MX
pri: 10
target: server.helpforenglish.cz