Registro IPv4
host: barcode.org
class: IN
ttl: 1266
type: A
ip: 52.20.84.62

Servidores DNS Principal (mname) y Secundario (rname)
host: barcode.org
class: IN
ttl: 1292
type: SOA
mname: ns1.atom.com
rname: hostmaster.barcode.org
serial: 2026091006
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600