Registro IPv4
host: japansf.net
class: IN
ttl: 3600
type: A
ip: 202.172.28.180

Servidores DNS Principal (mname) y Secundario (rname)
host: japansf.net
class: IN
ttl: 3600
type: SOA
mname: ns1.xdomain.ne.jp
rname: root.xdomain.ne.jp
serial: 0
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600