Registro IPv4
host: harrahsofphiladelphia.com
class: IN
ttl: 7200
type: A
ip: 208.91.197.130

Servidores DNS Principal (mname) y Secundario (rname)
host: harrahsofphiladelphia.com
class: IN
ttl: 21600
type: SOA
mname: ns1.markmonitor.com
rname: hostmaster.markmonitor.com
serial: 2015022703
refresh: 86400
retry: 3600
expire: 2592000
minimum-ttl: 172800