Registro DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:dmarc-rua@cosl.com.sg; ruf=mailto:dmarc-rua@cosl.com.sg; fo=1

Registro IPv4
host: cosl.com.sg
class: IN
ttl: 3600
type: A
ip: 119.73.129.164

Servidores DNS Principal (mname) y Secundario (rname)
host: cosl.com.sg
class: IN
ttl: 3600
type: SOA
mname: dnssec1.singnet.com.sg
rname: hostmaster.singnet.com.sg
serial: 2411071147
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: cosl.com.sg
class: IN
ttl: 8662
type: MX
pri: 5
target: mta.cosl.com.sg

Información TXT
host: cosl.com.sg
class: IN
ttl: 3600
type: TXT
txt: v=spf1 mx -all
entries: Array