Registro DMARC
V=DMARC1; p=none; rua=mailto:mailauth-reports@qq.com

Servidores DNS Principal (mname) y Secundario (rname)
host: ncist.edu.cn
class: IN
ttl: 21600
type: SOA
mname: ns1.service.edu.cn
rname: suzs.cernet.com
serial: 2801988668
refresh: 10800
retry: 7200
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: ncist.edu.cn
class: IN
ttl: 21600
type: MX
pri: 5
target: mxbiz1.qq.com

Servidor de Correo
host: ncist.edu.cn
class: IN
ttl: 21600
type: MX
pri: 10
target: mxbiz2.qq.com

Información TXT
host: ncist.edu.cn
class: IN
ttl: 21600
type: TXT
txt: v=spf1include:spf.mail.qq.com~all""
entries: Array