Servidores DNS Principal (mname) y Secundario (rname)
host: ficlosrios.cl
class: IN
ttl: 1800
type: SOA
mname: ns.gtdinternet.com
rname: operaciones.gtdinternet.com
serial: 2026042300
refresh: 7200
retry: 3600
expire: 604800
minimum-ttl: 86400