Registro IPv4
host: gwc.com
class: IN
ttl: 3600
type: A
ip: 143.198.68.197

Servidores DNS Principal (mname) y Secundario (rname)
host: gwc.com
class: IN
ttl: 7200
type: SOA
mname: ns-canada.topdns.com
rname: hostmaster.topdns.com
serial: 2026032903
refresh: 14400
retry: 7200
expire: 950400
minimum-ttl: 3600