Registro DMARC
v=DMARC1; p=reject; rua=mailto:reports@residencegrenoble.fr; fo=1; aspf=s; adkim=s

Servidores DNS Principal (mname) y Secundario (rname)
host: residencegrenoble.fr
class: IN
ttl: 10800
type: SOA
mname: ns1.gandi.net
rname: hostmaster.gandi.net
serial: 1746662400
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 10800

Servidor de Correo
host: residencegrenoble.fr
class: IN
ttl: 10800
type: MX
pri: 10
target: andromeda.vosys.eu

Información TXT
host: residencegrenoble.fr
class: IN
ttl: 10800
type: TXT
txt: v=spf1 a mx include:spf.andromeda.vosys.eu ~all
entries: Array