Servidores DNS Principal (mname) y Secundario (rname)
host: elp.com
class: IN
ttl: 3600
type: SOA
mname: dns1.comlaude-dns.com
rname: dnstech.comlaude.com
serial: 2022111609
refresh: 86400
retry: 7200
expire: 2419200
minimum-ttl: 3600