Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: dutoanf1.com
class: IN
ttl: 360
type: A
ip: 125.212.254.173

Servidores DNS Principal (mname) y Secundario (rname)
host: dutoanf1.com
class: IN
ttl: 2560
type: SOA
mname: ns.viettelidc.com.vn
rname: hostmaster.dutoanf1.com
serial: 1791990309
refresh: 16384
retry: 2048
expire: 1048576
minimum-ttl: 2560

Servidor de Correo
host: dutoanf1.com
class: IN
ttl: 360
type: MX
pri: 10
target: dutoanf1.com