Registro IPv4
host: py27.com
class: IN
ttl: 600
type: A
ip: 47.116.120.138

Servidores DNS Principal (mname) y Secundario (rname)
host: py27.com
class: IN
ttl: 600
type: SOA
mname: dns23.hichina.com
rname: hostmaster.hichina.com
serial: 2026082617
refresh: 3600
retry: 1200
expire: 86400
minimum-ttl: 600