Registro DMARC
v=DMARC1; p=reject; sp=reject; rua=mailto:dmarc@ltn.com.tw; adkim=s; aspf=s

Registro IPv4
host: ltn.com.tw
class: IN
ttl: 300
type: A
ip: 34.80.242.206

Servidores DNS Principal (mname) y Secundario (rname)
host: ltn.com.tw
class: IN
ttl: 3600
type: SOA
mname: ns-1341.awsdns-39.org
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: ltn.com.tw
class: IN
ttl: 300
type: MX
pri: 5
target: mail.ltn.com.tw

Información TXT
host: ltn.com.tw
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:123.51.239.29 mx:mail.ltn.com.tw -all
entries: Array