Registro DMARC
v=DMARC1; p=reject; rua=mailto:postmaster@tmb.it; ruf=mailto:postmaster@tmb.it; fo=0; adkim=s; aspf=s; pct=100; rf=afrf; sp=reject

Servidores DNS Principal (mname) y Secundario (rname)
host: mbtlc.it
class: IN
ttl: 180
type: SOA
mname: mail.tmb.it
rname: picchio.mbtlc.it
serial: 2025082400
refresh: 86400
retry: 7200
expire: 2592000
minimum-ttl: 3600

Servidor de Correo
host: mbtlc.it
class: IN
ttl: 180
type: MX
pri: 100
target: ns1.mbtlc.it

Servidor de Correo
host: mbtlc.it
class: IN
ttl: 180
type: MX
pri: 10
target: mail.tmb.it

Información TXT
host: mbtlc.it
class: IN
ttl: 180
type: TXT
txt: v=spf1 mx a ip4:79.98.42.12/32 ~all
entries: Array