Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: mkt51.net
class: IN
ttl: 300
type: A
ip: 54.164.12.236

Servidores DNS Principal (mname) y Secundario (rname)
host: mkt51.net
class: IN
ttl: 900
type: SOA
mname: ns1.acoustic-adm.com
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: mkt51.net
class: IN
ttl: 300
type: MX
pri: 5
target: bounce.mkt51.net

Información TXT
host: mkt51.net
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx ip4:74.112.64.0/21 ip4:74.121.48.0/21 ip4:208.85.48.0/21 ip4:208.73.4.0/22 ip4:208.95.132.0/22  -all
entries: Array