Registro DMARC
v=DMARC1;p=quarantine;rua=mailto:mailauth-reports@qq.com,spaminbox@shnu.edu.cn

Registro IPv4
host: shnu.edu.cn
class: IN
ttl: 3600
type: A
ip: 202.121.48.117

Servidores DNS Principal (mname) y Secundario (rname)
host: shnu.edu.cn
class: IN
ttl: 3600
type: SOA
mname: ns.shnu.edu.cn
rname: mail.shnu.edu.cn
serial: 1321
refresh: 28800
retry: 3600
expire: 604800
minimum-ttl: 1800

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

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

Información TXT
host: shnu.edu.cn
class: IN
ttl: 3600
type: TXT
txt: _globalsign-domain-verification=WJ2zFKTorJl_LgOUoNaU8BOpK3jWzk1ocE9fCfLK7u
entries: Array

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