Registro IPv4
host: wikibooks.co
class: IN
ttl: 21600
type: A
ip: 188.40.168.204

Servidores DNS Principal (mname) y Secundario (rname)
host: wikibooks.co
class: IN
ttl: 3600
type: SOA
mname: ns1.regery.net
rname: support.regery.com
serial: 2025061632
refresh: 86400
retry: 10800
expire: 604800
minimum-ttl: 3600