Servidores DNS Principal (mname) y Secundario (rname)
host: ytu.edu.cn
class: IN
ttl: 3600
type: SOA
mname: dns.ytu.edu.cn
rname: root.ytu.edu.cn
serial: 1764656086
refresh: 3600
retry: 3600
expire: 86400
minimum-ttl: 3600

Servidor de Correo
host: ytu.edu.cn
class: IN
ttl: 3600
type: MX
pri: 1
target: mx-ytu-edu-cn.icoremail.net

Servidor de Correo
host: ytu.edu.cn
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.ytu.edu.cn

Información TXT
host: ytu.edu.cn
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:202.194.116.86 ip6:2001:da8:7009:100::86 include:spf.icoremail.net -all
entries: Array