Servidores DNS Principal (mname) y Secundario (rname)
host: nezhin.org
class: IN
ttl: 3600
type: SOA
mname: nsa1.srv53.net
rname: support.dnshosting.org
serial: 1666849054
refresh: 1800
retry: 600
expire: 2419200
minimum-ttl: 1800