Servidores DNS Principal (mname) y Secundario (rname)
host: synology.me
class: IN
ttl: 21600
type: SOA
mname: ddns-ns1.quickconnect.to
rname: domain.synology.com
serial: 2464923006
refresh: 3600
retry: 300
expire: 6040000
minimum-ttl: 3600