Registro DMARC
v=DMARC1;p=quarantine;rua=mailto:admin@whitesystem.net

Registro IPv4
host: whitesystem.net
class: IN
ttl: 300
type: A
ip: 77.237.247.65

Servidores DNS Principal (mname) y Secundario (rname)
host: whitesystem.net
class: IN
ttl: 1305
type: SOA
mname: ivan.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2372032604
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: whitesystem.net
class: IN
ttl: 300
type: MX
pri: 10
target: webmail.whitesystem.net

Información TXT
host: whitesystem.net
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx -all
entries: Array