Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: freecos.net
class: IN
ttl: 1800
type: A
ip: 157.7.189.251

Servidores DNS Principal (mname) y Secundario (rname)
host: freecos.net
class: IN
ttl: 2560
type: SOA
mname: dns0.heteml.jp
rname: hostmaster.freecos.net
serial: 1751620576
refresh: 16384
retry: 2048
expire: 1048576
minimum-ttl: 2560

Servidor de Correo
host: freecos.net
class: IN
ttl: 3600
type: MX
pri: 10
target: mx.hetemail.jp

Información TXT
host: freecos.net
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf.heteml.jp ~all
entries: Array