Servidores DNS Principal (mname) y Secundario (rname)
host: rbpgroup.org
class: IN
ttl: 21600
type: SOA
mname: ns1.rbpgroup.org
rname: admin.rbpgroup.org
serial: 2026091501
refresh: 14400
retry: 3600
expire: 604800
minimum-ttl: 3600