Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:mailauth-reports@qq.com

Servidores DNS Principal (mname) y Secundario (rname)
host: xzit.edu.cn
class: IN
ttl: 3600
type: SOA
mname: dns1.xzit.edu.cn
rname: root.xzit.edu.cn
serial: 2504171646
refresh: 3600
retry: 1800
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: xzit.edu.cn
class: IN
ttl: 3600
type: MX
pri: 5
target: mxbiz1.qq.com

Servidor de Correo
host: xzit.edu.cn
class: IN
ttl: 3600
type: MX
pri: 10
target: mxbiz2.qq.com

Información TXT
host: xzit.edu.cn
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.mail.qq.com ~all
entries: Array