Registro DMARC
v=DMARC1; p=reject; adkim=r; aspf=r; sp=reject

Servidores DNS Principal (mname) y Secundario (rname)
host: usof.gov.mn
class: IN
ttl: 300
type: SOA
mname: ns.gov.mn
rname: admin.ndc.gov.mn
serial: 2022112701
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 86400

Servidor de Correo
host: usof.gov.mn
class: IN
ttl: 300
type: MX
pri: 10
target: mx2.mail.gov.mn

Servidor de Correo
host: usof.gov.mn
class: IN
ttl: 300
type: MX
pri: 10
target: mx.mail.gov.mn

Información TXT
host: usof.gov.mn
class: IN
ttl: 300
type: TXT
txt: v=spf1 +a +mx +ip4:203.26.189.11 +ip4:203.26.189.12 +ip4:203.26.189.111 ~all
entries: Array