Registro DMARC
v=spf1 include:spf.greenhost.nl ?all

Registro IPv4
host: guflu.net
class: IN
ttl: 3600
type: A
ip: 213.108.104.106

Servidores DNS Principal (mname) y Secundario (rname)
host: guflu.net
class: IN
ttl: 3600
type: SOA
mname: ns1.greenhost.nl
rname: hostmaster.guflu.net
serial: 1568048230
refresh: 14400
retry: 7200
expire: 2419200
minimum-ttl: 86400

Servidor de Correo
host: guflu.net
class: IN
ttl: 3600
type: MX
pri: 10
target: mx1.greenhost.nl

Servidor de Correo
host: guflu.net
class: IN
ttl: 3600
type: MX
pri: 10
target: mx2.greenhost.nl

Información TXT
host: guflu.net
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.greenhost.nl ?all
entries: Array