Registro IPv4
host: bigdata.ac.cn
class: IN
ttl: 3600
type: A
ip: 112.124.44.142

Servidores DNS Principal (mname) y Secundario (rname)
host: bigdata.ac.cn
class: IN
ttl: 180
type: SOA
mname: ns13.xincache.com
rname: enterprise1dnsadmin.dnspod.com
serial: 1576630891
refresh: 3600
retry: 180
expire: 1209600
minimum-ttl: 180