Registro DMARC
v=DMARC1; p=reject; rua=mailto:admin@ntropy.net

Registro IPv4
host: Ntropy.net
class: IN
ttl: 300
type: A
ip: 81.109.201.25

Servidores DNS Principal (mname) y Secundario (rname)
host: Ntropy.net
class: IN
ttl: 1800
type: SOA
mname: dante.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2371002131
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: Ntropy.net
class: IN
ttl: 300
type: MX
pri: 1
target: mail.Ntropy.net

Información TXT
host: Ntropy.net
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:81.109.201.25 -all
entries: Array