Registro DMARC
v=DMARC1; p=quarantine; adkim=s; aspf=s

Registro IPv4
host: guitecnic.com
class: IN
ttl: 86400
type: A
ip: 147.135.152.45

Servidores DNS Principal (mname) y Secundario (rname)
host: guitecnic.com
class: IN
ttl: 86400
type: SOA
mname: ns2.guitecnic.com
rname: hostmaster.tomahost.com
serial: 2026091802
refresh: 10800
retry: 3600
expire: 1209600
minimum-ttl: 10800

Servidor de Correo
host: guitecnic.com
class: IN
ttl: 86400
type: MX
pri: 10
target: mail.guitecnic.com

Información TXT
host: guitecnic.com
class: IN
ttl: 86400
type: TXT
txt: v=spf1 +a +mx +a:cursos-tecnicos.net -all
entries: Array