Registro IPv4
host: brgfit.com
class: IN
ttl: 300
type: A
ip: 72.32.178.38

Servidores DNS Principal (mname) y Secundario (rname)
host: brgfit.com
class: IN
ttl: 300
type: SOA
mname: ns5.tfmx.com
rname: admin.tfmx.com
serial: 2014122906
refresh: 900
retry: 600
expire: 86400
minimum-ttl: 300