Registro IPv4
host: rwdub.com
class: IN
ttl: 3600
type: A
ip: 208.91.197.130

Servidores DNS Principal (mname) y Secundario (rname)
host: rwdub.com
class: IN
ttl: 3600
type: SOA
mname: pns21.cpimsp.net
rname: support.cpimsp.net
serial: 2018072808
refresh: 7200
retry: 1800
expire: 1209600
minimum-ttl: 3600