Registro DMARC
v=DMARC1; p=none; sp=none; adkim=r; aspf=r

Servidores DNS Principal (mname) y Secundario (rname)
host: mondovisione.eu
class: IN
ttl: 14400
type: SOA
mname: ns.abdns.biz
rname: postmaster.mondovisione.eu
serial: 2021121905
refresh: 86400
retry: 7200
expire: 2000000
minimum-ttl: 14400

Servidor de Correo
host: mondovisione.eu
class: IN
ttl: 14400
type: MX
pri: 10
target: mail.mondovisione.eu