Servidores DNS Principal (mname) y Secundario (rname)
host: sysuschool.com
class: IN
ttl: 180
type: SOA
mname: ns11.xincache.com
rname: ns12.xincache.com
serial: 1765423104
refresh: 3600
retry: 180
expire: 1209600
minimum-ttl: 180

Servidor de Correo
host: sysuschool.com
class: IN
ttl: 1385
type: MX
pri: 10
target: mxbiz2.qq.com

Servidor de Correo
host: sysuschool.com
class: IN
ttl: 1385
type: MX
pri: 5
target: mxbiz1.qq.com

Información TXT
host: sysuschool.com
class: IN
ttl: 1385
type: TXT
txt: v=spf1 include:spf.mail.qq.com ~all
entries: Array