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: est.net
class: IN
ttl: 300
type: A
ip: 172.64.154.99

Registro IPv4
host: est.net
class: IN
ttl: 300
type: A
ip: 104.18.33.157

Servidores DNS Principal (mname) y Secundario (rname)
host: est.net
class: IN
ttl: 1800
type: SOA
mname: harlee.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2416210911
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: est.net
class: IN
ttl: 300
type: MX
pri: 15
target: smtp4.spx.com

Servidor de Correo
host: est.net
class: IN
ttl: 300
type: MX
pri: 20
target: mailhost.target.net

Servidor de Correo
host: est.net
class: IN
ttl: 300
type: MX
pri: 20
target: smtp1.spx.com

Información TXT
host: est.net
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:spf-00105401.pphosted.com -all
entries: Array