Registro IPv4
host: j-smu.com
class: IN
ttl: 600
type: A
ip: 202.192.1.45

Servidores DNS Principal (mname) y Secundario (rname)
host: j-smu.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