Registro DMARC
v=DMARC1; p=reject; rua=mailto:admin@daknong.gov.vn; ruf=mailto:admin@daknong.gov.vn

Servidores DNS Principal (mname) y Secundario (rname)
host: daknong.gov.vn
class: IN
ttl: 21600
type: SOA
mname: ns3.vdc3.vn
rname: vdconline.tld
serial: 2026061815
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: daknong.gov.vn
class: IN
ttl: 21600
type: MX
pri: 10
target: mailfilter.daknong.gov.vn

Información TXT
host: daknong.gov.vn
class: IN
ttl: 21600
type: TXT
txt: v=spf1 mx a:mail.daknong.gov.vn a:smtp.daknong.gov.vn a:mailfilter.daknong.gov.vn ip4:220.231.124.24/29 -all
entries: Array