Registro DMARC
v=DMARC1; p=none; rua=informeDMARC@itb.cat

Registro IPv4
host: itb.cat
class: IN
ttl: 746
type: A
ip: 37.59.172.100

Servidores DNS Principal (mname) y Secundario (rname)
host: itb.cat
class: IN
ttl: 900
type: SOA
mname: dns1.nominalia.com
rname: root.dns1.nominalia.com
serial: 1741939539
refresh: 86400
retry: 7200
expire: 2592000
minimum-ttl: 300

Servidor de Correo
host: itb.cat
class: IN
ttl: 3600
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Servidor de Correo
host: itb.cat
class: IN
ttl: 3600
type: MX
pri: 10
target: alt4.aspmx.l.google.com

Servidor de Correo
host: itb.cat
class: IN
ttl: 3600
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: itb.cat
class: IN
ttl: 3600
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: itb.cat
class: IN
ttl: 3600
type: MX
pri: 10
target: alt3.aspmx.l.google.com

Información TXT
host: itb.cat
class: IN
ttl: 900
type: TXT
txt: v=spf1 include:_spf.google.com ~all
entries: Array