Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: trenet.es
class: IN
ttl: 12
type: A
ip: 147.135.161.113

Servidores DNS Principal (mname) y Secundario (rname)
host: trenet.es
class: IN
ttl: 300
type: SOA
mname: ns.gestiondecuenta.com
rname: dnsadmin.gestiondecuenta.com
serial: 2020060101
refresh: 3600
retry: 120
expire: 1209600
minimum-ttl: 300

Servidor de Correo
host: trenet.es
class: IN
ttl: 300
type: MX
pri: 10
target: mail.trenet.es

Información TXT
host: trenet.es
class: IN
ttl: 300
type: TXT
txt: v=spf1 +a +mx include:spf.trenet.es -all
entries: Array