Servidores DNS Principal (mname) y Secundario (rname)
host: recensioni-hacker.com
class: IN
ttl: 3600
type: SOA
mname: 1-ceci.njalla.do
rname: you.can-get-no.info
serial: 2505190748
refresh: 21600
retry: 7200
expire: 1814400
minimum-ttl: 3600