Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: realb.it
class: IN
ttl: 1800
type: A
ip: 216.150.1.65

Registro IPv4
host: realb.it
class: IN
ttl: 1800
type: A
ip: 216.150.16.1

Servidores DNS Principal (mname) y Secundario (rname)
host: realb.it
class: IN
ttl: 3600
type: SOA
mname: ns1.vercel-dns.com
rname: hostmaster.nsone.net
serial: 1684842914
refresh: 43200
retry: 7200
expire: 1209600
minimum-ttl: 600

Servidor de Correo
host: realb.it
class: IN
ttl: 90
type: MX
pri: 20
target: mx2.improvmx.com

Servidor de Correo
host: realb.it
class: IN
ttl: 90
type: MX
pri: 10
target: mx1.improvmx.com

Información TXT
host: realb.it
class: IN
ttl: 90
type: TXT
txt: v=spf1 mx a include:spf.host.it include:spf.improvmx.com -all
entries: Array