Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: netdocter.com
class: IN
ttl: 3600
type: A
ip: 2.59.170.163

Servidores DNS Principal (mname) y Secundario (rname)
host: netdocter.com
class: IN
ttl: 3600
type: SOA
mname: dns.netdocter.com
rname: hostmaster.netdocter.com
serial: 1559840097
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: netdocter.com
class: IN
ttl: 3600
type: MX
pri: 0
target: mx.netdocter.com

Información TXT
host: netdocter.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a:dns.netdocter.com ~all
entries: Array