Registro IPv4
host: freeok.cn
class: IN
ttl: 3600
type: A
ip: 198.23.57.17

Servidores DNS Principal (mname) y Secundario (rname)
host: freeok.cn
class: IN
ttl: 180
type: SOA
mname: ns19.xincache.com
rname: enterprise1dnsadmin.dnspod.com
serial: 1576647981
refresh: 3600
retry: 180
expire: 1209600
minimum-ttl: 180

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

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