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

Registro IPv4
host: back-space.net
class: IN
ttl: 17005
type: A
ip: 170.64.220.237

Servidores DNS Principal (mname) y Secundario (rname)
host: back-space.net
class: IN
ttl: 1800
type: SOA
mname: ns1.digitalocean.com
rname: hostmaster.back-space.net
serial: 1713030702
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: back-space.net
class: IN
ttl: 1725
type: MX
pri: 10
target: mail.back-space.net

Información TXT
host: back-space.net
class: IN
ttl: 21600
type: TXT
txt: v=spf1 +a +mx +a:plesk.oasis-us.com -all
entries: Array