Servidores DNS Principal (mname) y Secundario (rname)
host: greenandgoldrugby.co.za
class: IN
ttl: 21600
type: SOA
mname: ns1.tld-ns.com
rname: dns-admin.domains.co.za
serial: 2022092800
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 3600