Registro IPv4
host: skyddns.com
class: IN
ttl: 21600
type: A
ip: 127.0.0.1

Servidores DNS Principal (mname) y Secundario (rname)
host: skyddns.com
class: IN
ttl: 21600
type: SOA
mname: skyddns.com
rname: root.skyddns.com
serial: 1566493
refresh: 604800
retry: 86400
expire: 2419200
minimum-ttl: 604800

Registro IPv6
host: skyddns.com
class: IN
ttl: 21600
type: AAAA
ipv6: ::1