Registro DMARC
v=DMARC1; p=reject; rua=mailto:a03655adfb114735b41b349d023edc2f@dmarc-reports.cloudflare.net;

Servidores DNS Principal (mname) y Secundario (rname)
host: estromet.com.ar
class: IN
ttl: 1800
type: SOA
mname: khloe.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2411757471
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: estromet.com.ar
class: IN
ttl: 3600
type: MX
pri: 0
target: estromet-com-ar.mail.protection.outlook.com

Información TXT
host: estromet.com.ar
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf.infrar.net include:_spf.infrar.com.ar include:spf.protection.outlook.com ~all
entries: Array

Información TXT
host: estromet.com.ar
class: IN
ttl: 3600
type: TXT
txt: MS=ms23285399
entries: Array