Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: guitecnic.com
class: IN
ttl: 3600
type: A
ip: 137.74.109.232

Servidores DNS Principal (mname) y Secundario (rname)
host: guitecnic.com
class: IN
ttl: 3600
type: SOA
mname: ns1.guitecnic.com
rname: hostmaster.guitecnic.com
serial: 1
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: guitecnic.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.guitecnic.com

Información TXT
host: guitecnic.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx ip4:137.74.109.232 ~all
entries: Array