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

Registro IPv4
host: asfer.it
class: IN
ttl: 3192
type: A
ip: 37.182.204.230

Servidores DNS Principal (mname) y Secundario (rname)
host: asfer.it
class: IN
ttl: 3192
type: SOA
mname: dns.technorail.com
rname: hostmaster.asfer.it
serial: 2026090102
refresh: 86400
retry: 7200
expire: 2592000
minimum-ttl: 3600

Servidor de Correo
host: asfer.it
class: IN
ttl: 3193
type: MX
pri: 10
target: mx.asfer.it

Información TXT
host: asfer.it
class: IN
ttl: 3193
type: TXT
txt: v=spf1 include:_spf.aruba.it ~all
entries: v=spf1 include:_spf.aruba.it ~all