Registro IPv4
host: npk.com
class: IN
ttl: 300
type: A
ip: 74.222.14.69

Servidores DNS Principal (mname) y Secundario (rname)
host: npk.com
class: IN
ttl: 7200
type: SOA
mname: ns-canada.topdns.com
rname: hostmaster.topdns.com
serial: 2026092601
refresh: 14400
retry: 7200
expire: 950400
minimum-ttl: 3600