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

Registro IPv4
host: virtualbox.org
class: IN
ttl: 90
type: A
ip: 138.1.33.162

Servidores DNS Principal (mname) y Secundario (rname)
host: virtualbox.org
class: IN
ttl: 10800
type: SOA
mname: ns1.p201.dns.oraclecloud.net
rname: hostmaster.oracle.com
serial: 2026022502
refresh: 21600
retry: 3600
expire: 1209600
minimum-ttl: 900

Servidor de Correo
host: virtualbox.org
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.virtualbox.org

Información TXT
host: virtualbox.org
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:spf-00069f02.pphosted.com -all
entries: v=spf1 include:spf-00069f02.pphosted.com -all