Servidores DNS Principal (mname) y Secundario (rname)
host: kontikitravel.com
class: IN
ttl: 3600
type: SOA
mname: ns1.as8758.net
rname: hostmaster.as8758.net
serial: 2024122002
refresh: 7200
retry: 3600
expire: 1209600
minimum-ttl: 3600