Registro DMARC
v=DMARC1; p=none; rua=mailto:postmaster@is-sec.org

Registro IPv4
host: is-sec.org
class: IN
ttl: 300
type: A
ip: 151.115.81.123

Servidores DNS Principal (mname) y Secundario (rname)
host: is-sec.org
class: IN
ttl: 1800
type: SOA
mname: ivan.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2407539834
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: is-sec.org
class: IN
ttl: 300
type: MX
pri: 10
target: 782188939.pamx1.hotmail.com

Información TXT
host: is-sec.org
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:51.158.237.208 -all
entries: Array