Registro IPv4
host: rolands.org
class: IN
ttl: 300
type: A
ip: 216.54.31.57

Registro IPv4
host: rolands.org
class: IN
ttl: 300
type: A
ip: 216.54.31.61

Servidores DNS Principal (mname) y Secundario (rname)
host: rolands.org
class: IN
ttl: 900
type: SOA
mname: ns-729.awsdns-27.net
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400