Registro DMARC
v=DMARC1; p=reject;

Servidores DNS Principal (mname) y Secundario (rname)
host: ysi.bz
class: IN
ttl: 1800
type: SOA
mname: alice.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2410109457
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Información TXT
host: ysi.bz
class: IN
ttl: 90
type: TXT
txt: jj10ir2qjgmv8ibai7f4dhpvj2
entries: Array

Información TXT
host: ysi.bz
class: IN
ttl: 90
type: TXT
txt: s0cmsoe1mijqbmphev26reabds
entries: Array