Registro IPv4
host: cheng.men
class: IN
ttl: 300
type: A
ip: 107.172.69.138

Servidores DNS Principal (mname) y Secundario (rname)
host: cheng.men
class: IN
ttl: 1800
type: SOA
mname: bowen.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2402134960
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800