Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email;

Registro IPv4
host: math.hr
class: IN
ttl: 8671
type: A
ip: 161.53.8.4

Servidores DNS Principal (mname) y Secundario (rname)
host: math.hr
class: IN
ttl: 21600
type: SOA
mname: cromath.math.hr
rname: root.cromath.math.hr
serial: 2024110801
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 86400

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

Información TXT
host: math.hr
class: IN
ttl: 3600
type: TXT
txt: google-site-verification=m-MRCMeN0yuMYb-a8fzHxcsah75TH_kYd-rXdwldJpA
entries: Array

Información TXT
host: math.hr
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:161.53.8.16 ip4:161.53.8.15 include:spf.protection.outlook.com -all
entries: Array