Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarc_agg@dmarc.everest.email; ruf=mailto:dmarc_fr@dmarc.everest.email; fo=1; pct=100; rf=afrf

Registro IPv4
host: genf20.com
class: IN
ttl: 300
type: A
ip: 3.142.87.228

Servidores DNS Principal (mname) y Secundario (rname)
host: genf20.com
class: IN
ttl: 900
type: SOA
mname: ns-1667.awsdns-16.co.uk
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: genf20.com
class: IN
ttl: 300
type: MX
pri: 10
target: mail.dmcontact.com

Servidor de Correo
host: genf20.com
class: IN
ttl: 300
type: MX
pri: 20
target: mx.dmcontact.com