Registro DMARC
v=DMARC1; p=quarantine; fo=1; ruf=mailto:dmarc@qiye.163.com; rua=mailto:dmarc_report@qiye.163.com

Servidores DNS Principal (mname) y Secundario (rname)
host: usst.edu.cn
class: IN
ttl: 7200
type: SOA
mname: dns1.usst.edu.cn
rname: admin.example.com
serial: 2100001359
refresh: 10800
retry: 900
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: usst.edu.cn
class: IN
ttl: 3600
type: MX
pri: 5
target: xchzmx01.mxmail.netease.com

Información TXT
host: usst.edu.cn
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.163.com -all
entries: Array