Registro DMARC
v=DMARC1;p=reject;rua=mailto:chw@tnua.edu.tw;sp=none

Servidores DNS Principal (mname) y Secundario (rname)
host: tnua.edu.tw
class: IN
ttl: 3600
type: SOA
mname: dns.tnua.edu.tw
rname: root.dns.tnua.edu.tw
serial: 20230710
refresh: 43200
retry: 10800
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: tnua.edu.tw
class: IN
ttl: 21600
type: MX
pri: 5
target: antigateway.tnua.edu.tw

Información TXT
host: tnua.edu.tw
class: IN
ttl: 21600
type: TXT
txt: google-site-verification=675La8tyQBD6w7PM-8GOTwLhLBMZC8Y-9434LH9fybM
entries: Array

Información TXT
host: tnua.edu.tw
class: IN
ttl: 21600
type: TXT
txt: v=spf1 a a:antigateway.tnua.edu.tw a:edm.tnua.ed.tw ip4:203.71.172.0/24 include:_spf.google.com include:spf.protection.outlook.com -all
entries: Array

Información TXT
host: tnua.edu.tw
class: IN
ttl: 21600
type: TXT
txt: MS=344AD36E341373678225EE9E0E6D9D5DF5F3DADE
entries: Array