Registro IPv4
host: whcedu.cn
class: IN
ttl: 79
type: A
ip: 216.118.239.206

Servidores DNS Principal (mname) y Secundario (rname)
host: whcedu.cn
class: IN
ttl: 1789
type: SOA
mname: cris.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2379198211
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800