Servidores DNS Principal (mname) y Secundario (rname)
host: roryorourke.com
class: IN
ttl: 300
type: SOA
mname: ns1.dreamhost.com
rname: hostmaster.dreamhost.com
serial: 2023040700
refresh: 16420
retry: 600
expire: 1814400
minimum-ttl: 300