Registro IPv4
host: pingguobbs.com
class: IN
ttl: 300
type: A
ip: 154.85.63.168

Servidores DNS Principal (mname) y Secundario (rname)
host: pingguobbs.com
class: IN
ttl: 18365
type: SOA
mname: ns1.bdydns.cn
rname: sa.dudns.com
serial: 2018080181
refresh: 3600
retry: 300
expire: 2592000
minimum-ttl: 120