Registro IPv4
host: i-classes.cn
class: IN
ttl: 600
type: A
ip: 60.205.37.228

Servidores DNS Principal (mname) y Secundario (rname)
host: i-classes.cn
class: IN
ttl: 600
type: SOA
mname: dns9.hichina.com
rname: hostmaster.hichina.com
serial: 2025042413
refresh: 3600
retry: 1200
expire: 86400
minimum-ttl: 600

Servidor de Correo
host: i-classes.cn
class: IN
ttl: 600
type: MX
pri: 10
target: mxw.mxhichina.com

Servidor de Correo
host: i-classes.cn
class: IN
ttl: 600
type: MX
pri: 5
target: mxn.mxhichina.com

Información TXT
host: i-classes.cn
class: IN
ttl: 600
type: TXT
txt: v=spf1 include:spf.mxhichina.com -all
entries: Array