Registro DMARC
v=DMARC1; p=none; sp=none

Registro IPv4
host: hereford2020.com
class: IN
ttl: 300
type: A
ip: 195.78.66.65

Servidores DNS Principal (mname) y Secundario (rname)
host: hereford2020.com
class: IN
ttl: 14400
type: SOA
mname: ns1.cyberfolks.pl
rname: hostmaster.hereford2020.com
serial: 2024060402
refresh: 14400
retry: 3600
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: hereford2020.com
class: IN
ttl: 300
type: MX
pri: 10
target: mail.hereford2020.com

Información TXT
host: hereford2020.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx include:_spf.cyberfolks.pl -all
entries: Array