Registro IPv4
host: joarn.com
class: IN
ttl: 300
type: A
ip: 207.148.248.143

Servidores DNS Principal (mname) y Secundario (rname)
host: joarn.com
class: IN
ttl: 3600
type: SOA
mname: ns.buydomains.com
rname: bd-operations.namemedia.com
serial: 2016043007
refresh: 86400
retry: 7200
expire: 604800
minimum-ttl: 300