Servidores DNS Principal (mname) y Secundario (rname)
host: cueicha.com
class: IN
ttl: 3600
type: SOA
mname: ns1.melbourneit.net
rname: admin.melbourneit.net
serial: 2026032309
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 172800