Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@imn.ac.cr; ruf=mailto:dmarc@imn.ac.cr; fo=1;

Registro IPv4
host: imn.ac.cr
class: IN
ttl: 90
type: A
ip: 190.113.121.26

Servidores DNS Principal (mname) y Secundario (rname)
host: imn.ac.cr
class: IN
ttl: 90
type: SOA
mname: ns1.imn.ac.cr
rname: cbadilla.imn.ac.cr
serial: 2025100101
refresh: 10800
retry: 3600
expire: 1209600
minimum-ttl: 60

Servidor de Correo
host: imn.ac.cr
class: IN
ttl: 90
type: MX
pri: 10
target: mail.imn.ac.cr

Información TXT
host: imn.ac.cr
class: IN
ttl: 90
type: TXT
txt: v=spf1 mx ip4:190.113.121.16/28 include:spf.protection.outlook.com -all
entries: Array