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: 2100000646
refresh: 10800
retry: 900
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: usst.edu.cn
class: IN
ttl: 3600
type: MX
pri: 1
target: mailgw.usst.edu.cn

Información TXT
host: usst.edu.cn
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:222.66.119.17 ip4:202.120.209.17 mx ptr a:mail.usst.edu.cn a:smtp.usst.edu.cn include:spf.icoremail.net a:hwp1.icoremail.net a:mailgw.usst.edu.cn -all
entries: Array