Registro DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Registro IPv4
host: ibm.es
class: IN
ttl: 7200
type: A
ip: 199.46.34.76

Servidores DNS Principal (mname) y Secundario (rname)
host: ibm.es
class: IN
ttl: 3600
type: SOA
mname: dns1.p01.nsone.net
rname: hostmaster.nsone.net
serial: 1725379647
refresh: 43200
retry: 7200
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: ibm.es
class: IN
ttl: 21600
type: MX
pri: 100
target: ns.watson.ibm.com

Información TXT
host: ibm.es
class: IN
ttl: 21600
type: TXT
txt: v=spf1 mx/24 -all
entries: Array

Información TXT
host: ibm.es
class: IN
ttl: 21600
type: TXT
txt: Visit www.ibm.com for information about IBM products and services
entries: Array