Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: sisyser.com
class: IN
ttl: 260
type: A
ip: 152.53.37.129

Servidores DNS Principal (mname) y Secundario (rname)
host: sisyser.com
class: IN
ttl: 72260
type: SOA
mname: dns20.sisyser.com
rname: fernando\.murga.gmail.com
serial: 2026050804
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: sisyser.com
class: IN
ttl: 260
type: MX
pri: 0
target: sisyser.com

Información TXT
host: sisyser.com
class: IN
ttl: 261
type: TXT
txt: v=spf1 +mx +a +ip4:152.53.37.129 +include:spf-c.mailbaby.net ~all
entries: Array