Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: instapaperme.cyou
class: IN
ttl: 5895
type: A
ip: 64.20.39.203

Servidores DNS Principal (mname) y Secundario (rname)
host: instapaperme.cyou
class: IN
ttl: 16418
type: SOA
mname: dns2000a.trouble-free.net
rname: not-monitored-email.interserver.net
serial: 2026092704
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: instapaperme.cyou
class: IN
ttl: 9218
type: MX
pri: 0
target: instapaperme.cyou

Información TXT
host: instapaperme.cyou
class: IN
ttl: 9219
type: TXT
txt: v=spf1 +a +mx +ip4:64.20.39.202 include:relay.mailbaby.net ~all
entries: Array